Home / 7,647,729.60-11,471,543.37-3,098,711.28

Finding the Fourth Proportional to 7,647,729.60, 11,471,543.37 and 3,098,711.28

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Solution

The fourth proportional to 7,647,729.60, 11,471,543.37 and 3,098,711.28 is: 4,648,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,729.60 : 11,471,543.37 = 3,098,711.28 : x
  2. Step 2: Convert to fraction form
    7,647,729.60/11,471,543.37 = 3,098,711.28/x
  3. Step 3: Cross multiply
    7,647,729.60x = 11,471,543.37 × 3,098,711.28
  4. Step 4: Simplify right side
    7,647,729.60x = 35,547,000,839,628.21
  5. Step 5: Solve for x
    x = 35,547,000,839,628.21/7,647,729.60
  6. Step 6: Final answer
    x = 4,648,046.24

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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.