Home / 9,129,863.64-12,599,057.52-5,055,395.16

Finding the Fourth Proportional to 9,129,863.64, 12,599,057.52 and 5,055,395.16

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Solution

The fourth proportional to 9,129,863.64, 12,599,057.52 and 5,055,395.16 is: 6,976,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,863.64 : 12,599,057.52 = 5,055,395.16 : x
  2. Step 2: Convert to fraction form
    9,129,863.64/12,599,057.52 = 5,055,395.16/x
  3. Step 3: Cross multiply
    9,129,863.64x = 12,599,057.52 × 5,055,395.16
  4. Step 4: Simplify right side
    9,129,863.64x = 63,693,214,407,169.60
  5. Step 5: Solve for x
    x = 63,693,214,407,169.60/9,129,863.64
  6. Step 6: Final answer
    x = 6,976,359.88

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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.