Home / 12,170,037.12-18,252,066.78-4,082,831.88

Finding the Fourth Proportional to 12,170,037.12, 18,252,066.78 and 4,082,831.88

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Solution

The fourth proportional to 12,170,037.12, 18,252,066.78 and 4,082,831.88 is: 6,123,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,037.12 : 18,252,066.78 = 4,082,831.88 : x
  2. Step 2: Convert to fraction form
    12,170,037.12/18,252,066.78 = 4,082,831.88/x
  3. Step 3: Cross multiply
    12,170,037.12x = 18,252,066.78 × 4,082,831.88
  4. Step 4: Simplify right side
    12,170,037.12x = 74,520,120,125,272.95
  5. Step 5: Solve for x
    x = 74,520,120,125,272.95/12,170,037.12
  6. Step 6: Final answer
    x = 6,123,245.10

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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.