Home / 18,457,252.65-27,691,793.46-12,923,552.57

Finding the Fourth Proportional to 18,457,252.65, 27,691,793.46 and 12,923,552.57

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Solution

The fourth proportional to 18,457,252.65, 27,691,793.46 and 12,923,552.57 is: 19,389,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,252.65 : 27,691,793.46 = 12,923,552.57 : x
  2. Step 2: Convert to fraction form
    18,457,252.65/27,691,793.46 = 12,923,552.57/x
  3. Step 3: Cross multiply
    18,457,252.65x = 27,691,793.46 × 12,923,552.57
  4. Step 4: Simplify right side
    18,457,252.65x = 357,876,348,399,433.25
  5. Step 5: Solve for x
    x = 357,876,348,399,433.25/18,457,252.65
  6. Step 6: Final answer
    x = 19,389,470.10

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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.