Home / 15,168,425.14-20,932,427.42-8,199,079.85

Finding the Fourth Proportional to 15,168,425.14, 20,932,427.42 and 8,199,079.85

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Solution

The fourth proportional to 15,168,425.14, 20,932,427.42 and 8,199,079.85 is: 11,314,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168,425.14 : 20,932,427.42 = 8,199,079.85 : x
  2. Step 2: Convert to fraction form
    15,168,425.14/20,932,427.42 = 8,199,079.85/x
  3. Step 3: Cross multiply
    15,168,425.14x = 20,932,427.42 × 8,199,079.85
  4. Step 4: Simplify right side
    15,168,425.14x = 171,626,643,882,245.16
  5. Step 5: Solve for x
    x = 171,626,643,882,245.16/15,168,425.14
  6. Step 6: Final answer
    x = 11,314,730.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.