Home / 13,645,081.35-20,405,454.49-10,189,247.85

Finding the Fourth Proportional to 13,645,081.35, 20,405,454.49 and 10,189,247.85

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Solution

The fourth proportional to 13,645,081.35, 20,405,454.49 and 10,189,247.85 is: 15,237,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,081.35 : 20,405,454.49 = 10,189,247.85 : x
  2. Step 2: Convert to fraction form
    13,645,081.35/20,405,454.49 = 10,189,247.85/x
  3. Step 3: Cross multiply
    13,645,081.35x = 20,405,454.49 × 10,189,247.85
  4. Step 4: Simplify right side
    13,645,081.35x = 207,916,233,239,559.09
  5. Step 5: Solve for x
    x = 207,916,233,239,559.09/13,645,081.35
  6. Step 6: Final answer
    x = 15,237,449.15

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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.