Home / 28,034,872.04-38,680,812.42-16,426,198.28

Finding the Fourth Proportional to 28,034,872.04, 38,680,812.42 and 16,426,198.28

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Solution

The fourth proportional to 28,034,872.04, 38,680,812.42 and 16,426,198.28 is: 22,663,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034,872.04 : 38,680,812.42 = 16,426,198.28 : x
  2. Step 2: Convert to fraction form
    28,034,872.04/38,680,812.42 = 16,426,198.28/x
  3. Step 3: Cross multiply
    28,034,872.04x = 38,680,812.42 × 16,426,198.28
  4. Step 4: Simplify right side
    28,034,872.04x = 635,378,694,442,406.62
  5. Step 5: Solve for x
    x = 635,378,694,442,406.62/28,034,872.04
  6. Step 6: Final answer
    x = 22,663,869.97

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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.