Home / 12,225,152.80-18,337,729.20-11,752,760.80

Finding the Fourth Proportional to 12,225,152.80, 18,337,729.20 and 11,752,760.80

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Solution

The fourth proportional to 12,225,152.80, 18,337,729.20 and 11,752,760.80 is: 17,629,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,152.80 : 18,337,729.20 = 11,752,760.80 : x
  2. Step 2: Convert to fraction form
    12,225,152.80/18,337,729.20 = 11,752,760.80/x
  3. Step 3: Cross multiply
    12,225,152.80x = 18,337,729.20 × 11,752,760.80
  4. Step 4: Simplify right side
    12,225,152.80x = 215,518,944,902,775.38
  5. Step 5: Solve for x
    x = 215,518,944,902,775.38/12,225,152.80
  6. Step 6: Final answer
    x = 17,629,141.20

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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.