Home / 12,372,598.68-18,549,566.82-8,113,839

Finding the Fourth Proportional to 12,372,598.68, 18,549,566.82 and 8,113,839

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Solution

The fourth proportional to 12,372,598.68, 18,549,566.82 and 8,113,839 is: 12,164,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,598.68 : 18,549,566.82 = 8,113,839 : x
  2. Step 2: Convert to fraction form
    12,372,598.68/18,549,566.82 = 8,113,839/x
  3. Step 3: Cross multiply
    12,372,598.68x = 18,549,566.82 × 8,113,839
  4. Step 4: Simplify right side
    12,372,598.68x = 150,508,198,697,221.97
  5. Step 5: Solve for x
    x = 150,508,198,697,221.97/12,372,598.68
  6. Step 6: Final answer
    x = 12,164,639.18

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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.