Home / 22,612,230.86-31,208,114.28-12,690,172.70

Finding the Fourth Proportional to 22,612,230.86, 31,208,114.28 and 12,690,172.70

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Solution

The fourth proportional to 22,612,230.86, 31,208,114.28 and 12,690,172.70 is: 17,514,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612,230.86 : 31,208,114.28 = 12,690,172.70 : x
  2. Step 2: Convert to fraction form
    22,612,230.86/31,208,114.28 = 12,690,172.70/x
  3. Step 3: Cross multiply
    22,612,230.86x = 31,208,114.28 × 12,690,172.70
  4. Step 4: Simplify right side
    22,612,230.86x = 396,036,359,854,536.12
  5. Step 5: Solve for x
    x = 396,036,359,854,536.12/22,612,230.86
  6. Step 6: Final answer
    x = 17,514,254.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.