Home / 6,643,593.40-9,965,390.10-5,686,999.60

Finding the Fourth Proportional to 6,643,593.40, 9,965,390.10 and 5,686,999.60

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Solution

The fourth proportional to 6,643,593.40, 9,965,390.10 and 5,686,999.60 is: 8,530,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,593.40 : 9,965,390.10 = 5,686,999.60 : x
  2. Step 2: Convert to fraction form
    6,643,593.40/9,965,390.10 = 5,686,999.60/x
  3. Step 3: Cross multiply
    6,643,593.40x = 9,965,390.10 × 5,686,999.60
  4. Step 4: Simplify right side
    6,643,593.40x = 56,673,169,512,543.95
  5. Step 5: Solve for x
    x = 56,673,169,512,543.95/6,643,593.40
  6. Step 6: Final answer
    x = 8,530,499.40

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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.