Home / 13,360,040.40-20,024,314.20-9,990,310.80

Finding the Fourth Proportional to 13,360,040.40, 20,024,314.20 and 9,990,310.80

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Solution

The fourth proportional to 13,360,040.40, 20,024,314.20 and 9,990,310.80 is: 14,973,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360,040.40 : 20,024,314.20 = 9,990,310.80 : x
  2. Step 2: Convert to fraction form
    13,360,040.40/20,024,314.20 = 9,990,310.80/x
  3. Step 3: Cross multiply
    13,360,040.40x = 20,024,314.20 × 9,990,310.80
  4. Step 4: Simplify right side
    13,360,040.40x = 200,049,122,414,853.38
  5. Step 5: Solve for x
    x = 200,049,122,414,853.38/13,360,040.40
  6. Step 6: Final answer
    x = 14,973,691.43

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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.