Home / 12,687,816.67-17,508,717.87-6,886,474.75

Finding the Fourth Proportional to 12,687,816.67, 17,508,717.87 and 6,886,474.75

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Solution

The fourth proportional to 12,687,816.67, 17,508,717.87 and 6,886,474.75 is: 9,503,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,816.67 : 17,508,717.87 = 6,886,474.75 : x
  2. Step 2: Convert to fraction form
    12,687,816.67/17,508,717.87 = 6,886,474.75/x
  3. Step 3: Cross multiply
    12,687,816.67x = 17,508,717.87 × 6,886,474.75
  4. Step 4: Simplify right side
    12,687,816.67x = 120,573,343,516,628.80
  5. Step 5: Solve for x
    x = 120,573,343,516,628.80/12,687,816.67
  6. Step 6: Final answer
    x = 9,503,080.53

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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.