Home / 18,729,911.76-25,851,597.57-12,192,153.90

Finding the Fourth Proportional to 18,729,911.76, 25,851,597.57 and 12,192,153.90

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Solution

The fourth proportional to 18,729,911.76, 25,851,597.57 and 12,192,153.90 is: 16,827,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,911.76 : 25,851,597.57 = 12,192,153.90 : x
  2. Step 2: Convert to fraction form
    18,729,911.76/25,851,597.57 = 12,192,153.90/x
  3. Step 3: Cross multiply
    18,729,911.76x = 25,851,597.57 × 12,192,153.90
  4. Step 4: Simplify right side
    18,729,911.76x = 315,186,656,134,306.06
  5. Step 5: Solve for x
    x = 315,186,656,134,306.06/18,729,911.76
  6. Step 6: Final answer
    x = 16,827,984.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.