Home / 7,979,863.60-11,969,795.40-7,098,065.20

Finding the Fourth Proportional to 7,979,863.60, 11,969,795.40 and 7,098,065.20

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Solution

The fourth proportional to 7,979,863.60, 11,969,795.40 and 7,098,065.20 is: 10,647,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,863.60 : 11,969,795.40 = 7,098,065.20 : x
  2. Step 2: Convert to fraction form
    7,979,863.60/11,969,795.40 = 7,098,065.20/x
  3. Step 3: Cross multiply
    7,979,863.60x = 11,969,795.40 × 7,098,065.20
  4. Step 4: Simplify right side
    7,979,863.60x = 84,962,388,179,860.08
  5. Step 5: Solve for x
    x = 84,962,388,179,860.08/7,979,863.60
  6. Step 6: Final answer
    x = 10,647,097.80

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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.