Home / 20,149,007.80-30,227,448.30-8,016,406.60

Finding the Fourth Proportional to 20,149,007.80, 30,227,448.30 and 8,016,406.60

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Solution

The fourth proportional to 20,149,007.80, 30,227,448.30 and 8,016,406.60 is: 12,026,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,007.80 : 30,227,448.30 = 8,016,406.60 : x
  2. Step 2: Convert to fraction form
    20,149,007.80/30,227,448.30 = 8,016,406.60/x
  3. Step 3: Cross multiply
    20,149,007.80x = 30,227,448.30 × 8,016,406.60
  4. Step 4: Simplify right side
    20,149,007.80x = 242,315,516,053,278.78
  5. Step 5: Solve for x
    x = 242,315,516,053,278.78/20,149,007.80
  6. Step 6: Final answer
    x = 12,026,176.10

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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.