Home / 17,910,142.38-26,865,505.17-5,130,597.42

Finding the Fourth Proportional to 17,910,142.38, 26,865,505.17 and 5,130,597.42

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Solution

The fourth proportional to 17,910,142.38, 26,865,505.17 and 5,130,597.42 is: 7,695,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910,142.38 : 26,865,505.17 = 5,130,597.42 : x
  2. Step 2: Convert to fraction form
    17,910,142.38/26,865,505.17 = 5,130,597.42/x
  3. Step 3: Cross multiply
    17,910,142.38x = 26,865,505.17 × 5,130,597.42
  4. Step 4: Simplify right side
    17,910,142.38x = 137,836,091,512,198.67
  5. Step 5: Solve for x
    x = 137,836,091,512,198.67/17,910,142.38
  6. Step 6: Final answer
    x = 7,695,979.66

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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.