Home / 11,886,867.52-16,404,660.96-6,660,294.72

Finding the Fourth Proportional to 11,886,867.52, 16,404,660.96 and 6,660,294.72

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Solution

The fourth proportional to 11,886,867.52, 16,404,660.96 and 6,660,294.72 is: 9,191,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886,867.52 : 16,404,660.96 = 6,660,294.72 : x
  2. Step 2: Convert to fraction form
    11,886,867.52/16,404,660.96 = 6,660,294.72/x
  3. Step 3: Cross multiply
    11,886,867.52x = 16,404,660.96 × 6,660,294.72
  4. Step 4: Simplify right side
    11,886,867.52x = 109,259,876,775,278.14
  5. Step 5: Solve for x
    x = 109,259,876,775,278.14/11,886,867.52
  6. Step 6: Final answer
    x = 9,191,645.87

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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.