Home / 18,146,772.60-27,188,666.10-15,312,420.60

Finding the Fourth Proportional to 18,146,772.60, 27,188,666.10 and 15,312,420.60

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Solution

The fourth proportional to 18,146,772.60, 27,188,666.10 and 15,312,420.60 is: 22,942,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,772.60 : 27,188,666.10 = 15,312,420.60 : x
  2. Step 2: Convert to fraction form
    18,146,772.60/27,188,666.10 = 15,312,420.60/x
  3. Step 3: Cross multiply
    18,146,772.60x = 27,188,666.10 × 15,312,420.60
  4. Step 4: Simplify right side
    18,146,772.60x = 416,324,290,876,161.69
  5. Step 5: Solve for x
    x = 416,324,290,876,161.69/18,146,772.60
  6. Step 6: Final answer
    x = 22,942,056.97

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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.