Home / 10,099,947.28-13,937,711.64-5,516,287.12

Finding the Fourth Proportional to 10,099,947.28, 13,937,711.64 and 5,516,287.12

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Solution

The fourth proportional to 10,099,947.28, 13,937,711.64 and 5,516,287.12 is: 7,612,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099,947.28 : 13,937,711.64 = 5,516,287.12 : x
  2. Step 2: Convert to fraction form
    10,099,947.28/13,937,711.64 = 5,516,287.12/x
  3. Step 3: Cross multiply
    10,099,947.28x = 13,937,711.64 × 5,516,287.12
  4. Step 4: Simplify right side
    10,099,947.28x = 76,884,419,202,006.08
  5. Step 5: Solve for x
    x = 76,884,419,202,006.08/10,099,947.28
  6. Step 6: Final answer
    x = 7,612,358.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.