Home / 27,680,046.80-41,520,070.20-7,485,288.80

Finding the Fourth Proportional to 27,680,046.80, 41,520,070.20 and 7,485,288.80

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Solution

The fourth proportional to 27,680,046.80, 41,520,070.20 and 7,485,288.80 is: 11,227,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,046.80 : 41,520,070.20 = 7,485,288.80 : x
  2. Step 2: Convert to fraction form
    27,680,046.80/41,520,070.20 = 7,485,288.80/x
  3. Step 3: Cross multiply
    27,680,046.80x = 41,520,070.20 × 7,485,288.80
  4. Step 4: Simplify right side
    27,680,046.80x = 310,789,716,443,273.75
  5. Step 5: Solve for x
    x = 310,789,716,443,273.75/27,680,046.80
  6. Step 6: Final answer
    x = 11,227,933.20

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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.