Home / 16,215,812.20-22,377,822.61-8,873,646.90

Finding the Fourth Proportional to 16,215,812.20, 22,377,822.61 and 8,873,646.90

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Solution

The fourth proportional to 16,215,812.20, 22,377,822.61 and 8,873,646.90 is: 12,245,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215,812.20 : 22,377,822.61 = 8,873,646.90 : x
  2. Step 2: Convert to fraction form
    16,215,812.20/22,377,822.61 = 8,873,646.90/x
  3. Step 3: Cross multiply
    16,215,812.20x = 22,377,822.61 × 8,873,646.90
  4. Step 4: Simplify right side
    16,215,812.20x = 198,572,896,075,719.06
  5. Step 5: Solve for x
    x = 198,572,896,075,719.06/16,215,812.20
  6. Step 6: Final answer
    x = 12,245,633.68

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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.