Home / 10,434,414.80-15,651,622.20-8,991,189.20

Finding the Fourth Proportional to 10,434,414.80, 15,651,622.20 and 8,991,189.20

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Solution

The fourth proportional to 10,434,414.80, 15,651,622.20 and 8,991,189.20 is: 13,486,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,414.80 : 15,651,622.20 = 8,991,189.20 : x
  2. Step 2: Convert to fraction form
    10,434,414.80/15,651,622.20 = 8,991,189.20/x
  3. Step 3: Cross multiply
    10,434,414.80x = 15,651,622.20 × 8,991,189.20
  4. Step 4: Simplify right side
    10,434,414.80x = 140,726,696,487,120.22
  5. Step 5: Solve for x
    x = 140,726,696,487,120.22/10,434,414.80
  6. Step 6: Final answer
    x = 13,486,783.80

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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.