Home / 20,306,412.20-30,468,918.52-8,795,400.14

Finding the Fourth Proportional to 20,306,412.20, 30,468,918.52 and 8,795,400.14

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Solution

The fourth proportional to 20,306,412.20, 30,468,918.52 and 8,795,400.14 is: 13,197,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306,412.20 : 30,468,918.52 = 8,795,400.14 : x
  2. Step 2: Convert to fraction form
    20,306,412.20/30,468,918.52 = 8,795,400.14/x
  3. Step 3: Cross multiply
    20,306,412.20x = 30,468,918.52 × 8,795,400.14
  4. Step 4: Simplify right side
    20,306,412.20x = 267,986,330,216,456.59
  5. Step 5: Solve for x
    x = 267,986,330,216,456.59/20,306,412.20
  6. Step 6: Final answer
    x = 13,197,128.45

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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.