Home / 12,949,679.28-17,867,785.08-7,514,255.28

Finding the Fourth Proportional to 12,949,679.28, 17,867,785.08 and 7,514,255.28

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Solution

The fourth proportional to 12,949,679.28, 17,867,785.08 and 7,514,255.28 is: 10,368,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,679.28 : 17,867,785.08 = 7,514,255.28 : x
  2. Step 2: Convert to fraction form
    12,949,679.28/17,867,785.08 = 7,514,255.28/x
  3. Step 3: Cross multiply
    12,949,679.28x = 17,867,785.08 × 7,514,255.28
  4. Step 4: Simplify right side
    12,949,679.28x = 134,263,098,379,295.22
  5. Step 5: Solve for x
    x = 134,263,098,379,295.22/12,949,679.28
  6. Step 6: Final answer
    x = 10,368,063.60

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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.