Home / 12,222,077.20-18,406,234.52-11,132,475.52

Finding the Fourth Proportional to 12,222,077.20, 18,406,234.52 and 11,132,475.52

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Solution

The fourth proportional to 12,222,077.20, 18,406,234.52 and 11,132,475.52 is: 16,765,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222,077.20 : 18,406,234.52 = 11,132,475.52 : x
  2. Step 2: Convert to fraction form
    12,222,077.20/18,406,234.52 = 11,132,475.52/x
  3. Step 3: Cross multiply
    12,222,077.20x = 18,406,234.52 × 11,132,475.52
  4. Step 4: Simplify right side
    12,222,077.20x = 204,906,955,209,278.94
  5. Step 5: Solve for x
    x = 204,906,955,209,278.94/12,222,077.20
  6. Step 6: Final answer
    x = 16,765,313.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.