Home / 13,253,172.30-19,879,785.78-3,668,579.19

Finding the Fourth Proportional to 13,253,172.30, 19,879,785.78 and 3,668,579.19

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Solution

The fourth proportional to 13,253,172.30, 19,879,785.78 and 3,668,579.19 is: 5,502,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,172.30 : 19,879,785.78 = 3,668,579.19 : x
  2. Step 2: Convert to fraction form
    13,253,172.30/19,879,785.78 = 3,668,579.19/x
  3. Step 3: Cross multiply
    13,253,172.30x = 19,879,785.78 × 3,668,579.19
  4. Step 4: Simplify right side
    13,253,172.30x = 72,930,568,414,165.92
  5. Step 5: Solve for x
    x = 72,930,568,414,165.92/13,253,172.30
  6. Step 6: Final answer
    x = 5,502,876.35

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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.