Home / 42,679,857.68-58,899,631.15-26,156,789.40

Finding the Fourth Proportional to 42,679,857.68, 58,899,631.15 and 26,156,789.40

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Solution

The fourth proportional to 42,679,857.68, 58,899,631.15 and 26,156,789.40 is: 36,097,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679,857.68 : 58,899,631.15 = 26,156,789.40 : x
  2. Step 2: Convert to fraction form
    42,679,857.68/58,899,631.15 = 26,156,789.40/x
  3. Step 3: Cross multiply
    42,679,857.68x = 58,899,631.15 × 26,156,789.40
  4. Step 4: Simplify right side
    42,679,857.68x = 1,540,625,247,662,837.75
  5. Step 5: Solve for x
    x = 1,540,625,247,662,837.75/42,679,857.68
  6. Step 6: Final answer
    x = 36,097,244.26

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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.