Home / 12,151,269.70-18,226,904.55-11,227,480.90

Finding the Fourth Proportional to 12,151,269.70, 18,226,904.55 and 11,227,480.90

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Solution

The fourth proportional to 12,151,269.70, 18,226,904.55 and 11,227,480.90 is: 16,841,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,269.70 : 18,226,904.55 = 11,227,480.90 : x
  2. Step 2: Convert to fraction form
    12,151,269.70/18,226,904.55 = 11,227,480.90/x
  3. Step 3: Cross multiply
    12,151,269.70x = 18,226,904.55 × 11,227,480.90
  4. Step 4: Simplify right side
    12,151,269.70x = 204,642,222,701,248.12
  5. Step 5: Solve for x
    x = 204,642,222,701,248.12/12,151,269.70
  6. Step 6: Final answer
    x = 16,841,221.35

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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.