Home / 42,021,999.18-57,991,246.20-23,687,279.82

Finding the Fourth Proportional to 42,021,999.18, 57,991,246.20 and 23,687,279.82

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Solution

The fourth proportional to 42,021,999.18, 57,991,246.20 and 23,687,279.82 is: 32,688,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,021,999.18 : 57,991,246.20 = 23,687,279.82 : x
  2. Step 2: Convert to fraction form
    42,021,999.18/57,991,246.20 = 23,687,279.82/x
  3. Step 3: Cross multiply
    42,021,999.18x = 57,991,246.20 × 23,687,279.82
  4. Step 4: Simplify right side
    42,021,999.18x = 1,373,654,875,849,911.75
  5. Step 5: Solve for x
    x = 1,373,654,875,849,911.75/42,021,999.18
  6. Step 6: Final answer
    x = 32,688,946.33

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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.