Home / 20,727,248.50-31,049,234.88-10,321,117.12

Finding the Fourth Proportional to 20,727,248.50, 31,049,234.88 and 10,321,117.12

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Solution

The fourth proportional to 20,727,248.50, 31,049,234.88 and 10,321,117.12 is: 15,460,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,248.50 : 31,049,234.88 = 10,321,117.12 : x
  2. Step 2: Convert to fraction form
    20,727,248.50/31,049,234.88 = 10,321,117.12/x
  3. Step 3: Cross multiply
    20,727,248.50x = 31,049,234.88 × 10,321,117.12
  4. Step 4: Simplify right side
    20,727,248.50x = 320,462,789,682,869.12
  5. Step 5: Solve for x
    x = 320,462,789,682,869.12/20,727,248.50
  6. Step 6: Final answer
    x = 15,460,942.14

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Double scale
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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.