Home / 7,770,347.10-11,648,873.88-2,981,473.20

Finding the Fourth Proportional to 7,770,347.10, 11,648,873.88 and 2,981,473.20

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Solution

The fourth proportional to 7,770,347.10, 11,648,873.88 and 2,981,473.20 is: 4,469,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,347.10 : 11,648,873.88 = 2,981,473.20 : x
  2. Step 2: Convert to fraction form
    7,770,347.10/11,648,873.88 = 2,981,473.20/x
  3. Step 3: Cross multiply
    7,770,347.10x = 11,648,873.88 × 2,981,473.20
  4. Step 4: Simplify right side
    7,770,347.10x = 34,730,805,283,400.02
  5. Step 5: Solve for x
    x = 34,730,805,283,400.02/7,770,347.10
  6. Step 6: Final answer
    x = 4,469,659.44

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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.