Home / 20,841,910.83-31,262,939.96-14,758,239.78

Finding the Fourth Proportional to 20,841,910.83, 31,262,939.96 and 14,758,239.78

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Solution

The fourth proportional to 20,841,910.83, 31,262,939.96 and 14,758,239.78 is: 22,137,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,910.83 : 31,262,939.96 = 14,758,239.78 : x
  2. Step 2: Convert to fraction form
    20,841,910.83/31,262,939.96 = 14,758,239.78/x
  3. Step 3: Cross multiply
    20,841,910.83x = 31,262,939.96 × 14,758,239.78
  4. Step 4: Simplify right side
    20,841,910.83x = 461,385,964,083,632.38
  5. Step 5: Solve for x
    x = 461,385,964,083,632.38/20,841,910.83
  6. Step 6: Final answer
    x = 22,137,411.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.