Home / 22,107,727.28-30,508,726.92-12,817,103.60

Finding the Fourth Proportional to 22,107,727.28, 30,508,726.92 and 12,817,103.60

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Solution

The fourth proportional to 22,107,727.28, 30,508,726.92 and 12,817,103.60 is: 17,687,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107,727.28 : 30,508,726.92 = 12,817,103.60 : x
  2. Step 2: Convert to fraction form
    22,107,727.28/30,508,726.92 = 12,817,103.60/x
  3. Step 3: Cross multiply
    22,107,727.28x = 30,508,726.92 × 12,817,103.60
  4. Step 4: Simplify right side
    22,107,727.28x = 391,033,513,637,748.94
  5. Step 5: Solve for x
    x = 391,033,513,637,748.94/22,107,727.28
  6. Step 6: Final answer
    x = 17,687,639.65

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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.