Home / 15,193,734.75-20,969,350.72-8,665,867.80

Finding the Fourth Proportional to 15,193,734.75, 20,969,350.72 and 8,665,867.80

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Solution

The fourth proportional to 15,193,734.75, 20,969,350.72 and 8,665,867.80 is: 11,960,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,734.75 : 20,969,350.72 = 8,665,867.80 : x
  2. Step 2: Convert to fraction form
    15,193,734.75/20,969,350.72 = 8,665,867.80/x
  3. Step 3: Cross multiply
    15,193,734.75x = 20,969,350.72 × 8,665,867.80
  4. Step 4: Simplify right side
    15,193,734.75x = 181,717,621,169,690.19
  5. Step 5: Solve for x
    x = 181,717,621,169,690.19/15,193,734.75
  6. Step 6: Final answer
    x = 11,960,036.43

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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.