Home / 12,088,504.80-18,132,757.20-10,972,478.70

Finding the Fourth Proportional to 12,088,504.80, 18,132,757.20 and 10,972,478.70

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Solution

The fourth proportional to 12,088,504.80, 18,132,757.20 and 10,972,478.70 is: 16,458,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,504.80 : 18,132,757.20 = 10,972,478.70 : x
  2. Step 2: Convert to fraction form
    12,088,504.80/18,132,757.20 = 10,972,478.70/x
  3. Step 3: Cross multiply
    12,088,504.80x = 18,132,757.20 × 10,972,478.70
  4. Step 4: Simplify right side
    12,088,504.80x = 198,961,292,149,271.62
  5. Step 5: Solve for x
    x = 198,961,292,149,271.62/12,088,504.80
  6. Step 6: Final answer
    x = 16,458,718.05

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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.