Home / 29,191,821.60-43,787,732.40-18,442,279.20

Finding the Fourth Proportional to 29,191,821.60, 43,787,732.40 and 18,442,279.20

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Solution

The fourth proportional to 29,191,821.60, 43,787,732.40 and 18,442,279.20 is: 27,663,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191,821.60 : 43,787,732.40 = 18,442,279.20 : x
  2. Step 2: Convert to fraction form
    29,191,821.60/43,787,732.40 = 18,442,279.20/x
  3. Step 3: Cross multiply
    29,191,821.60x = 43,787,732.40 × 18,442,279.20
  4. Step 4: Simplify right side
    29,191,821.60x = 807,545,586,455,686
  5. Step 5: Solve for x
    x = 807,545,586,455,686/29,191,821.60
  6. Step 6: Final answer
    x = 27,663,418.80

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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.