Home / 13,253,141.80-19,868,048.70-8,979,452.20

Finding the Fourth Proportional to 13,253,141.80, 19,868,048.70 and 8,979,452.20

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Solution

The fourth proportional to 13,253,141.80, 19,868,048.70 and 8,979,452.20 is: 13,461,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,141.80 : 19,868,048.70 = 8,979,452.20 : x
  2. Step 2: Convert to fraction form
    13,253,141.80/19,868,048.70 = 8,979,452.20/x
  3. Step 3: Cross multiply
    13,253,141.80x = 19,868,048.70 × 8,979,452.20
  4. Step 4: Simplify right side
    13,253,141.80x = 178,404,193,608,922.12
  5. Step 5: Solve for x
    x = 178,404,193,608,922.12/13,253,141.80
  6. Step 6: Final answer
    x = 13,461,275.55

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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.