Home / 12,882,627.56-17,778,062.96-7,376,086.88

Finding the Fourth Proportional to 12,882,627.56, 17,778,062.96 and 7,376,086.88

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Solution

The fourth proportional to 12,882,627.56, 17,778,062.96 and 7,376,086.88 is: 10,179,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,627.56 : 17,778,062.96 = 7,376,086.88 : x
  2. Step 2: Convert to fraction form
    12,882,627.56/17,778,062.96 = 7,376,086.88/x
  3. Step 3: Cross multiply
    12,882,627.56x = 17,778,062.96 × 7,376,086.88
  4. Step 4: Simplify right side
    12,882,627.56x = 131,132,536,919,627.27
  5. Step 5: Solve for x
    x = 131,132,536,919,627.27/12,882,627.56
  6. Step 6: Final answer
    x = 10,179,021.03

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1.5x scale

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.