Home / 6,367,641.90-9,551,462.85-3,178,995.90

Finding the Fourth Proportional to 6,367,641.90, 9,551,462.85 and 3,178,995.90

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Solution

The fourth proportional to 6,367,641.90, 9,551,462.85 and 3,178,995.90 is: 4,768,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367,641.90 : 9,551,462.85 = 3,178,995.90 : x
  2. Step 2: Convert to fraction form
    6,367,641.90/9,551,462.85 = 3,178,995.90/x
  3. Step 3: Cross multiply
    6,367,641.90x = 9,551,462.85 × 3,178,995.90
  4. Step 4: Simplify right side
    6,367,641.90x = 30,364,061,239,152.31
  5. Step 5: Solve for x
    x = 30,364,061,239,152.31/6,367,641.90
  6. Step 6: Final answer
    x = 4,768,493.85

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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.