Home / 40,377,676.43-55,720,910.02-22,042,961.93

Finding the Fourth Proportional to 40,377,676.43, 55,720,910.02 and 22,042,961.93

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Solution

The fourth proportional to 40,377,676.43, 55,720,910.02 and 22,042,961.93 is: 30,419,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,676.43 : 55,720,910.02 = 22,042,961.93 : x
  2. Step 2: Convert to fraction form
    40,377,676.43/55,720,910.02 = 22,042,961.93/x
  3. Step 3: Cross multiply
    40,377,676.43x = 55,720,910.02 × 22,042,961.93
  4. Step 4: Simplify right side
    40,377,676.43x = 1,228,253,898,401,341
  5. Step 5: Solve for x
    x = 1,228,253,898,401,341/40,377,676.43
  6. Step 6: Final answer
    x = 30,419,132.72

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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.