Home / 15,327,187.92-21,151,036.44-8,451,959.76

Finding the Fourth Proportional to 15,327,187.92, 21,151,036.44 and 8,451,959.76

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Solution

The fourth proportional to 15,327,187.92, 21,151,036.44 and 8,451,959.76 is: 11,663,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327,187.92 : 21,151,036.44 = 8,451,959.76 : x
  2. Step 2: Convert to fraction form
    15,327,187.92/21,151,036.44 = 8,451,959.76/x
  3. Step 3: Cross multiply
    15,327,187.92x = 21,151,036.44 × 8,451,959.76
  4. Step 4: Simplify right side
    15,327,187.92x = 178,767,708,873,173.66
  5. Step 5: Solve for x
    x = 178,767,708,873,173.66/15,327,187.92
  6. Step 6: Final answer
    x = 11,663,438.19

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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.