Home / 18,379,943.48-27,555,714.12-9,277,355.90

Finding the Fourth Proportional to 18,379,943.48, 27,555,714.12 and 9,277,355.90

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Solution

The fourth proportional to 18,379,943.48, 27,555,714.12 and 9,277,355.90 is: 13,908,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,943.48 : 27,555,714.12 = 9,277,355.90 : x
  2. Step 2: Convert to fraction form
    18,379,943.48/27,555,714.12 = 9,277,355.90/x
  3. Step 3: Cross multiply
    18,379,943.48x = 27,555,714.12 × 9,277,355.90
  4. Step 4: Simplify right side
    18,379,943.48x = 255,644,166,969,895.31
  5. Step 5: Solve for x
    x = 255,644,166,969,895.31/18,379,943.48
  6. Step 6: Final answer
    x = 13,908,865.78

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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.