Home / 20,832,000.30-31,248,000.45-5,479,260.30

Finding the Fourth Proportional to 20,832,000.30, 31,248,000.45 and 5,479,260.30

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Solution

The fourth proportional to 20,832,000.30, 31,248,000.45 and 5,479,260.30 is: 8,218,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,000.30 : 31,248,000.45 = 5,479,260.30 : x
  2. Step 2: Convert to fraction form
    20,832,000.30/31,248,000.45 = 5,479,260.30/x
  3. Step 3: Cross multiply
    20,832,000.30x = 31,248,000.45 × 5,479,260.30
  4. Step 4: Simplify right side
    20,832,000.30x = 171,215,928,320,067.12
  5. Step 5: Solve for x
    x = 171,215,928,320,067.12/20,832,000.30
  6. Step 6: Final answer
    x = 8,218,890.45

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1.5x scale

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.