Home / 11,187,168.64-15,438,753.60-6,292,619.20

Finding the Fourth Proportional to 11,187,168.64, 15,438,753.60 and 6,292,619.20

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Solution

The fourth proportional to 11,187,168.64, 15,438,753.60 and 6,292,619.20 is: 8,684,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187,168.64 : 15,438,753.60 = 6,292,619.20 : x
  2. Step 2: Convert to fraction form
    11,187,168.64/15,438,753.60 = 6,292,619.20/x
  3. Step 3: Cross multiply
    11,187,168.64x = 15,438,753.60 × 6,292,619.20
  4. Step 4: Simplify right side
    11,187,168.64x = 97,150,197,327,429.12
  5. Step 5: Solve for x
    x = 97,150,197,327,429.12/11,187,168.64
  6. Step 6: Final answer
    x = 8,684,073.73

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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.