Home / 40,377,677.43-55,720,911.40-22,042,962.93

Finding the Fourth Proportional to 40,377,677.43, 55,720,911.40 and 22,042,962.93

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Solution

The fourth proportional to 40,377,677.43, 55,720,911.40 and 22,042,962.93 is: 30,419,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,677.43 : 55,720,911.40 = 22,042,962.93 : x
  2. Step 2: Convert to fraction form
    40,377,677.43/55,720,911.40 = 22,042,962.93/x
  3. Step 3: Cross multiply
    40,377,677.43x = 55,720,911.40 × 22,042,962.93
  4. Step 4: Simplify right side
    40,377,677.43x = 1,228,253,984,416,014.25
  5. Step 5: Solve for x
    x = 1,228,253,984,416,014.25/40,377,677.43
  6. Step 6: Final answer
    x = 30,419,134.10

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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.