Home / 18,126,474-25,015,194.20-9,866,137.04

Finding the Fourth Proportional to 18,126,474, 25,015,194.20 and 9,866,137.04

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Solution

The fourth proportional to 18,126,474, 25,015,194.20 and 9,866,137.04 is: 13,615,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,474 : 25,015,194.20 = 9,866,137.04 : x
  2. Step 2: Convert to fraction form
    18,126,474/25,015,194.20 = 9,866,137.04/x
  3. Step 3: Cross multiply
    18,126,474x = 25,015,194.20 × 9,866,137.04
  4. Step 4: Simplify right side
    18,126,474x = 246,803,334,059,413.12
  5. Step 5: Solve for x
    x = 246,803,334,059,413.12/18,126,474
  6. Step 6: Final answer
    x = 13,615,628.39

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Double scale
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1.5x scale

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.