Home / 12,479,274.32-17,219,815.52-7,320,753.68

Finding the Fourth Proportional to 12,479,274.32, 17,219,815.52 and 7,320,753.68

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Solution

The fourth proportional to 12,479,274.32, 17,219,815.52 and 7,320,753.68 is: 10,101,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,274.32 : 17,219,815.52 = 7,320,753.68 : x
  2. Step 2: Convert to fraction form
    12,479,274.32/17,219,815.52 = 7,320,753.68/x
  3. Step 3: Cross multiply
    12,479,274.32x = 17,219,815.52 × 7,320,753.68
  4. Step 4: Simplify right side
    12,479,274.32x = 126,062,027,714,258.27
  5. Step 5: Solve for x
    x = 126,062,027,714,258.27/12,479,274.32
  6. Step 6: Final answer
    x = 10,101,711.41

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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.