Home / 40,990,123.20-61,476,327.45-17,961,013.20

Finding the Fourth Proportional to 40,990,123.20, 61,476,327.45 and 17,961,013.20

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Solution

The fourth proportional to 40,990,123.20, 61,476,327.45 and 17,961,013.20 is: 26,937,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990,123.20 : 61,476,327.45 = 17,961,013.20 : x
  2. Step 2: Convert to fraction form
    40,990,123.20/61,476,327.45 = 17,961,013.20/x
  3. Step 3: Cross multiply
    40,990,123.20x = 61,476,327.45 × 17,961,013.20
  4. Step 4: Simplify right side
    40,990,123.20x = 1,104,177,128,816,972.38
  5. Step 5: Solve for x
    x = 1,104,177,128,816,972.38/40,990,123.20
  6. Step 6: Final answer
    x = 26,937,638.69

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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.