Home / 16,535,551.40-22,820,339.15-9,920,387.71

Finding the Fourth Proportional to 16,535,551.40, 22,820,339.15 and 9,920,387.71

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Solution

The fourth proportional to 16,535,551.40, 22,820,339.15 and 9,920,387.71 is: 13,690,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,535,551.40 : 22,820,339.15 = 9,920,387.71 : x
  2. Step 2: Convert to fraction form
    16,535,551.40/22,820,339.15 = 9,920,387.71/x
  3. Step 3: Cross multiply
    16,535,551.40x = 22,820,339.15 × 9,920,387.71
  4. Step 4: Simplify right side
    16,535,551.40x = 226,386,612,041,691.84
  5. Step 5: Solve for x
    x = 226,386,612,041,691.84/16,535,551.40
  6. Step 6: Final answer
    x = 13,690,901.90

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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.