Home / 18,126,389.49-25,015,077.62-9,866,052.52

Finding the Fourth Proportional to 18,126,389.49, 25,015,077.62 and 9,866,052.52

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Solution

The fourth proportional to 18,126,389.49, 25,015,077.62 and 9,866,052.52 is: 13,615,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,389.49 : 25,015,077.62 = 9,866,052.52 : x
  2. Step 2: Convert to fraction form
    18,126,389.49/25,015,077.62 = 9,866,052.52/x
  3. Step 3: Cross multiply
    18,126,389.49x = 25,015,077.62 × 9,866,052.52
  4. Step 4: Simplify right side
    18,126,389.49x = 246,800,069,515,926.34
  5. Step 5: Solve for x
    x = 246,800,069,515,926.34/18,126,389.49
  6. Step 6: Final answer
    x = 13,615,511.78

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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.