Home / 18,107,508.96-27,160,869.78-8,517,572.28

Finding the Fourth Proportional to 18,107,508.96, 27,160,869.78 and 8,517,572.28

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Solution

The fourth proportional to 18,107,508.96, 27,160,869.78 and 8,517,572.28 is: 12,776,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107,508.96 : 27,160,869.78 = 8,517,572.28 : x
  2. Step 2: Convert to fraction form
    18,107,508.96/27,160,869.78 = 8,517,572.28/x
  3. Step 3: Cross multiply
    18,107,508.96x = 27,160,869.78 × 8,517,572.28
  4. Step 4: Simplify right side
    18,107,508.96x = 231,344,671,538,817.69
  5. Step 5: Solve for x
    x = 231,344,671,538,817.69/18,107,508.96
  6. Step 6: Final answer
    x = 12,776,173.25

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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.