Home / 6,367,645.40-9,551,468.10-3,178,999.40

Finding the Fourth Proportional to 6,367,645.40, 9,551,468.10 and 3,178,999.40

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Solution

The fourth proportional to 6,367,645.40, 9,551,468.10 and 3,178,999.40 is: 4,768,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367,645.40 : 9,551,468.10 = 3,178,999.40 : x
  2. Step 2: Convert to fraction form
    6,367,645.40/9,551,468.10 = 3,178,999.40/x
  3. Step 3: Cross multiply
    6,367,645.40x = 9,551,468.10 × 3,178,999.40
  4. Step 4: Simplify right side
    6,367,645.40x = 30,364,111,359,019.14
  5. Step 5: Solve for x
    x = 30,364,111,359,019.14/6,367,645.40
  6. Step 6: Final answer
    x = 4,768,499.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.