Home / 28,569,617.91-42,865,781.22-9,141,836.49

Finding the Fourth Proportional to 28,569,617.91, 42,865,781.22 and 9,141,836.49

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Solution

The fourth proportional to 28,569,617.91, 42,865,781.22 and 9,141,836.49 is: 13,716,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569,617.91 : 42,865,781.22 = 9,141,836.49 : x
  2. Step 2: Convert to fraction form
    28,569,617.91/42,865,781.22 = 9,141,836.49/x
  3. Step 3: Cross multiply
    28,569,617.91x = 42,865,781.22 × 9,141,836.49
  4. Step 4: Simplify right side
    28,569,617.91x = 391,871,962,929,352.69
  5. Step 5: Solve for x
    x = 391,871,962,929,352.69/28,569,617.91
  6. Step 6: Final answer
    x = 13,716,387.95

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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.