Home / 7,979,404.60-11,969,106.90-5,543,961.40

Finding the Fourth Proportional to 7,979,404.60, 11,969,106.90 and 5,543,961.40

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Solution

The fourth proportional to 7,979,404.60, 11,969,106.90 and 5,543,961.40 is: 8,315,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,404.60 : 11,969,106.90 = 5,543,961.40 : x
  2. Step 2: Convert to fraction form
    7,979,404.60/11,969,106.90 = 5,543,961.40/x
  3. Step 3: Cross multiply
    7,979,404.60x = 11,969,106.90 × 5,543,961.40
  4. Step 4: Simplify right side
    7,979,404.60x = 66,356,266,646,073.66
  5. Step 5: Solve for x
    x = 66,356,266,646,073.66/7,979,404.60
  6. Step 6: Final answer
    x = 8,315,942.10

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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.