Home / 9,838,932.10-13,577,776.27-5,428,810.15

Finding the Fourth Proportional to 9,838,932.10, 13,577,776.27 and 5,428,810.15

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Solution

The fourth proportional to 9,838,932.10, 13,577,776.27 and 5,428,810.15 is: 7,491,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838,932.10 : 13,577,776.27 = 5,428,810.15 : x
  2. Step 2: Convert to fraction form
    9,838,932.10/13,577,776.27 = 5,428,810.15/x
  3. Step 3: Cross multiply
    9,838,932.10x = 13,577,776.27 × 5,428,810.15
  4. Step 4: Simplify right side
    9,838,932.10x = 73,711,169,581,488.67
  5. Step 5: Solve for x
    x = 73,711,169,581,488.67/9,838,932.10
  6. Step 6: Final answer
    x = 7,491,785.58

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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.