Home / 15,019,326.89-20,727,078.65-8,493,932.16

Finding the Fourth Proportional to 15,019,326.89, 20,727,078.65 and 8,493,932.16

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Solution

The fourth proportional to 15,019,326.89, 20,727,078.65 and 8,493,932.16 is: 11,721,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,326.89 : 20,727,078.65 = 8,493,932.16 : x
  2. Step 2: Convert to fraction form
    15,019,326.89/20,727,078.65 = 8,493,932.16/x
  3. Step 3: Cross multiply
    15,019,326.89x = 20,727,078.65 × 8,493,932.16
  4. Step 4: Simplify right side
    15,019,326.89x = 176,054,399,928,084.38
  5. Step 5: Solve for x
    x = 176,054,399,928,084.38/15,019,326.89
  6. Step 6: Final answer
    x = 11,721,856.86

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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.