Home / 20,664,048.97-31,000,557.48-6,286,743.12

Finding the Fourth Proportional to 20,664,048.97, 31,000,557.48 and 6,286,743.12

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Solution

The fourth proportional to 20,664,048.97, 31,000,557.48 and 6,286,743.12 is: 9,431,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,664,048.97 : 31,000,557.48 = 6,286,743.12 : x
  2. Step 2: Convert to fraction form
    20,664,048.97/31,000,557.48 = 6,286,743.12/x
  3. Step 3: Cross multiply
    20,664,048.97x = 31,000,557.48 × 6,286,743.12
  4. Step 4: Simplify right side
    20,664,048.97x = 194,892,541,298,551.75
  5. Step 5: Solve for x
    x = 194,892,541,298,551.75/20,664,048.97
  6. Step 6: Final answer
    x = 9,431,478.87

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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.