Home / 18,454,932.90-27,666,696.15-11,271,505.86

Finding the Fourth Proportional to 18,454,932.90, 27,666,696.15 and 11,271,505.86

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Solution

The fourth proportional to 18,454,932.90, 27,666,696.15 and 11,271,505.86 is: 16,897,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454,932.90 : 27,666,696.15 = 11,271,505.86 : x
  2. Step 2: Convert to fraction form
    18,454,932.90/27,666,696.15 = 11,271,505.86/x
  3. Step 3: Cross multiply
    18,454,932.90x = 27,666,696.15 × 11,271,505.86
  4. Step 4: Simplify right side
    18,454,932.90x = 311,845,327,781,564.38
  5. Step 5: Solve for x
    x = 311,845,327,781,564.38/18,454,932.90
  6. Step 6: Final answer
    x = 16,897,667.93

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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.