Home / 40,377,568.20-55,720,760.04-22,042,853.70

Finding the Fourth Proportional to 40,377,568.20, 55,720,760.04 and 22,042,853.70

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Solution

The fourth proportional to 40,377,568.20, 55,720,760.04 and 22,042,853.70 is: 30,418,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,568.20 : 55,720,760.04 = 22,042,853.70 : x
  2. Step 2: Convert to fraction form
    40,377,568.20/55,720,760.04 = 22,042,853.70/x
  3. Step 3: Cross multiply
    40,377,568.20x = 55,720,760.04 × 22,042,853.70
  4. Step 4: Simplify right side
    40,377,568.20x = 1,228,244,561,614,526
  5. Step 5: Solve for x
    x = 1,228,244,561,614,526/40,377,568.20
  6. Step 6: Final answer
    x = 30,418,983.02

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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.