Home / 12,996,273.74-17,929,225.68-7,836,768.92

Finding the Fourth Proportional to 12,996,273.74, 17,929,225.68 and 7,836,768.92

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Solution

The fourth proportional to 12,996,273.74, 17,929,225.68 and 7,836,768.92 is: 10,811,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,273.74 : 17,929,225.68 = 7,836,768.92 : x
  2. Step 2: Convert to fraction form
    12,996,273.74/17,929,225.68 = 7,836,768.92/x
  3. Step 3: Cross multiply
    12,996,273.74x = 17,929,225.68 × 7,836,768.92
  4. Step 4: Simplify right side
    12,996,273.74x = 140,507,198,568,689.86
  5. Step 5: Solve for x
    x = 140,507,198,568,689.86/12,996,273.74
  6. Step 6: Final answer
    x = 10,811,344.96

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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.