Home / 18,105,328.20-27,122,562.90-10,895,445.30

Finding the Fourth Proportional to 18,105,328.20, 27,122,562.90 and 10,895,445.30

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Solution

The fourth proportional to 18,105,328.20, 27,122,562.90 and 10,895,445.30 is: 16,321,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105,328.20 : 27,122,562.90 = 10,895,445.30 : x
  2. Step 2: Convert to fraction form
    18,105,328.20/27,122,562.90 = 10,895,445.30/x
  3. Step 3: Cross multiply
    18,105,328.20x = 27,122,562.90 × 10,895,445.30
  4. Step 4: Simplify right side
    18,105,328.20x = 295,512,400,472,759.38
  5. Step 5: Solve for x
    x = 295,512,400,472,759.38/18,105,328.20
  6. Step 6: Final answer
    x = 16,321,847.20

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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.