Home / 18,126,169.50-25,014,645.52-9,866,770.51

Finding the Fourth Proportional to 18,126,169.50, 25,014,645.52 and 9,866,770.51

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Solution

The fourth proportional to 18,126,169.50, 25,014,645.52 and 9,866,770.51 is: 13,616,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,169.50 : 25,014,645.52 = 9,866,770.51 : x
  2. Step 2: Convert to fraction form
    18,126,169.50/25,014,645.52 = 9,866,770.51/x
  3. Step 3: Cross multiply
    18,126,169.50x = 25,014,645.52 × 9,866,770.51
  4. Step 4: Simplify right side
    18,126,169.50x = 246,813,766,734,839.59
  5. Step 5: Solve for x
    x = 246,813,766,734,839.59/18,126,169.50
  6. Step 6: Final answer
    x = 13,616,432.68

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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.