Home / 20,196,129.74-30,257,660.48-9,275,454.58

Finding the Fourth Proportional to 20,196,129.74, 30,257,660.48 and 9,275,454.58

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Solution

The fourth proportional to 20,196,129.74, 30,257,660.48 and 9,275,454.58 is: 13,896,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,129.74 : 30,257,660.48 = 9,275,454.58 : x
  2. Step 2: Convert to fraction form
    20,196,129.74/30,257,660.48 = 9,275,454.58/x
  3. Step 3: Cross multiply
    20,196,129.74x = 30,257,660.48 × 9,275,454.58
  4. Step 4: Simplify right side
    20,196,129.74x = 280,653,555,479,301
  5. Step 5: Solve for x
    x = 280,653,555,479,301/20,196,129.74
  6. Step 6: Final answer
    x = 13,896,402.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.