Home / 9,516,412.78-13,132,659.80-5,165,498.39

Finding the Fourth Proportional to 9,516,412.78, 13,132,659.80 and 5,165,498.39

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Solution

The fourth proportional to 9,516,412.78, 13,132,659.80 and 5,165,498.39 is: 7,128,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516,412.78 : 13,132,659.80 = 5,165,498.39 : x
  2. Step 2: Convert to fraction form
    9,516,412.78/13,132,659.80 = 5,165,498.39/x
  3. Step 3: Cross multiply
    9,516,412.78x = 13,132,659.80 × 5,165,498.39
  4. Step 4: Simplify right side
    9,516,412.78x = 67,836,733,000,568.16
  5. Step 5: Solve for x
    x = 67,836,733,000,568.16/9,516,412.78
  6. Step 6: Final answer
    x = 7,128,393.29

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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.