Home / 18,375,757.75-27,561,533.03-4,913,635.51

Finding the Fourth Proportional to 18,375,757.75, 27,561,533.03 and 4,913,635.51

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Solution

The fourth proportional to 18,375,757.75, 27,561,533.03 and 4,913,635.51 is: 7,369,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,757.75 : 27,561,533.03 = 4,913,635.51 : x
  2. Step 2: Convert to fraction form
    18,375,757.75/27,561,533.03 = 4,913,635.51/x
  3. Step 3: Cross multiply
    18,375,757.75x = 27,561,533.03 × 4,913,635.51
  4. Step 4: Simplify right side
    18,375,757.75x = 135,427,327,381,677.70
  5. Step 5: Solve for x
    x = 135,427,327,381,677.70/18,375,757.75
  6. Step 6: Final answer
    x = 7,369,890.77

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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.