Home / 18,227,914.56-25,154,532.96-10,387,204.80

Finding the Fourth Proportional to 18,227,914.56, 25,154,532.96 and 10,387,204.80

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Solution

The fourth proportional to 18,227,914.56, 25,154,532.96 and 10,387,204.80 is: 14,334,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227,914.56 : 25,154,532.96 = 10,387,204.80 : x
  2. Step 2: Convert to fraction form
    18,227,914.56/25,154,532.96 = 10,387,204.80/x
  3. Step 3: Cross multiply
    18,227,914.56x = 25,154,532.96 × 10,387,204.80
  4. Step 4: Simplify right side
    18,227,914.56x = 261,285,285,503,870.25
  5. Step 5: Solve for x
    x = 261,285,285,503,870.25/18,227,914.56
  6. Step 6: Final answer
    x = 14,334,348.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.