Home / 19,723,613.70-29,585,420.55-12,921,168.90

Finding the Fourth Proportional to 19,723,613.70, 29,585,420.55 and 12,921,168.90

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Solution

The fourth proportional to 19,723,613.70, 29,585,420.55 and 12,921,168.90 is: 19,381,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723,613.70 : 29,585,420.55 = 12,921,168.90 : x
  2. Step 2: Convert to fraction form
    19,723,613.70/29,585,420.55 = 12,921,168.90/x
  3. Step 3: Cross multiply
    19,723,613.70x = 29,585,420.55 × 12,921,168.90
  4. Step 4: Simplify right side
    19,723,613.70x = 382,278,215,904,080.94
  5. Step 5: Solve for x
    x = 382,278,215,904,080.94/19,723,613.70
  6. Step 6: Final answer
    x = 19,381,753.35

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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.