Home / 18,381,672.30-27,572,508.45-8,815,734.30

Finding the Fourth Proportional to 18,381,672.30, 27,572,508.45 and 8,815,734.30

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Solution

The fourth proportional to 18,381,672.30, 27,572,508.45 and 8,815,734.30 is: 13,223,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,672.30 : 27,572,508.45 = 8,815,734.30 : x
  2. Step 2: Convert to fraction form
    18,381,672.30/27,572,508.45 = 8,815,734.30/x
  3. Step 3: Cross multiply
    18,381,672.30x = 27,572,508.45 × 8,815,734.30
  4. Step 4: Simplify right side
    18,381,672.30x = 243,071,908,479,704.84
  5. Step 5: Solve for x
    x = 243,071,908,479,704.84/18,381,672.30
  6. Step 6: Final answer
    x = 13,223,601.45

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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.