Home / 15,146,899.58-20,904,234.03-9,035,328.08

Finding the Fourth Proportional to 15,146,899.58, 20,904,234.03 and 9,035,328.08

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Solution

The fourth proportional to 15,146,899.58, 20,904,234.03 and 9,035,328.08 is: 12,469,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146,899.58 : 20,904,234.03 = 9,035,328.08 : x
  2. Step 2: Convert to fraction form
    15,146,899.58/20,904,234.03 = 9,035,328.08/x
  3. Step 3: Cross multiply
    15,146,899.58x = 20,904,234.03 × 9,035,328.08
  4. Step 4: Simplify right side
    15,146,899.58x = 188,876,612,722,150.56
  5. Step 5: Solve for x
    x = 188,876,612,722,150.56/15,146,899.58
  6. Step 6: Final answer
    x = 12,469,655.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.