Home / 8,651,317.20-12,979,816.78-3,538,047.45

Finding the Fourth Proportional to 8,651,317.20, 12,979,816.78 and 3,538,047.45

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Solution

The fourth proportional to 8,651,317.20, 12,979,816.78 and 3,538,047.45 is: 5,308,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651,317.20 : 12,979,816.78 = 3,538,047.45 : x
  2. Step 2: Convert to fraction form
    8,651,317.20/12,979,816.78 = 3,538,047.45/x
  3. Step 3: Cross multiply
    8,651,317.20x = 12,979,816.78 × 3,538,047.45
  4. Step 4: Simplify right side
    8,651,317.20x = 45,923,207,659,946.21
  5. Step 5: Solve for x
    x = 45,923,207,659,946.21/8,651,317.20
  6. Step 6: Final answer
    x = 5,308,233.02

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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.