Home / 14,619,610.32-20,168,729.28-8,815,167.48

Finding the Fourth Proportional to 14,619,610.32, 20,168,729.28 and 8,815,167.48

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Solution

The fourth proportional to 14,619,610.32, 20,168,729.28 and 8,815,167.48 is: 12,161,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619,610.32 : 20,168,729.28 = 8,815,167.48 : x
  2. Step 2: Convert to fraction form
    14,619,610.32/20,168,729.28 = 8,815,167.48/x
  3. Step 3: Cross multiply
    14,619,610.32x = 20,168,729.28 × 8,815,167.48
  4. Step 4: Simplify right side
    14,619,610.32x = 177,790,726,461,979.84
  5. Step 5: Solve for x
    x = 177,790,726,461,979.84/14,619,610.32
  6. Step 6: Final answer
    x = 12,161,112.54

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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.