Home / 19,520,081-29,273,366.40-8,002,278.32

Finding the Fourth Proportional to 19,520,081, 29,273,366.40 and 8,002,278.32

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Solution

The fourth proportional to 19,520,081, 29,273,366.40 and 8,002,278.32 is: 12,000,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520,081 : 29,273,366.40 = 8,002,278.32 : x
  2. Step 2: Convert to fraction form
    19,520,081/29,273,366.40 = 8,002,278.32/x
  3. Step 3: Cross multiply
    19,520,081x = 29,273,366.40 × 8,002,278.32
  4. Step 4: Simplify right side
    19,520,081x = 234,253,625,296,136.44
  5. Step 5: Solve for x
    x = 234,253,625,296,136.44/19,520,081
  6. Step 6: Final answer
    x = 12,000,648.22

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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.