Home / 10,259,500.80-15,389,251.20-9,822,662.40

Finding the Fourth Proportional to 10,259,500.80, 15,389,251.20 and 9,822,662.40

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Solution

The fourth proportional to 10,259,500.80, 15,389,251.20 and 9,822,662.40 is: 14,733,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259,500.80 : 15,389,251.20 = 9,822,662.40 : x
  2. Step 2: Convert to fraction form
    10,259,500.80/15,389,251.20 = 9,822,662.40/x
  3. Step 3: Cross multiply
    10,259,500.80x = 15,389,251.20 × 9,822,662.40
  4. Step 4: Simplify right side
    10,259,500.80x = 151,163,419,126,394.88
  5. Step 5: Solve for x
    x = 151,163,419,126,394.88/10,259,500.80
  6. Step 6: Final answer
    x = 14,733,993.60

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1.5x scale

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.