Home / 18,381,821.40-27,572,732.10-5,602,961.70

Finding the Fourth Proportional to 18,381,821.40, 27,572,732.10 and 5,602,961.70

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Solution

The fourth proportional to 18,381,821.40, 27,572,732.10 and 5,602,961.70 is: 8,404,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,821.40 : 27,572,732.10 = 5,602,961.70 : x
  2. Step 2: Convert to fraction form
    18,381,821.40/27,572,732.10 = 5,602,961.70/x
  3. Step 3: Cross multiply
    18,381,821.40x = 27,572,732.10 × 5,602,961.70
  4. Step 4: Simplify right side
    18,381,821.40x = 154,488,961,920,660.59
  5. Step 5: Solve for x
    x = 154,488,961,920,660.59/18,381,821.40
  6. Step 6: Final answer
    x = 8,404,442.55

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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.