Home / 12,226,642.55-18,338,839.32-4,138,693.73

Finding the Fourth Proportional to 12,226,642.55, 18,338,839.32 and 4,138,693.73

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Solution

The fourth proportional to 12,226,642.55, 18,338,839.32 and 4,138,693.73 is: 6,207,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,642.55 : 18,338,839.32 = 4,138,693.73 : x
  2. Step 2: Convert to fraction form
    12,226,642.55/18,338,839.32 = 4,138,693.73/x
  3. Step 3: Cross multiply
    12,226,642.55x = 18,338,839.32 × 4,138,693.73
  4. Step 4: Simplify right side
    12,226,642.55x = 75,898,839,309,161.47
  5. Step 5: Solve for x
    x = 75,898,839,309,161.47/12,226,642.55
  6. Step 6: Final answer
    x = 6,207,659.95

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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.