Home / 13,350,031.20-20,025,046.80-7,282,418.40

Finding the Fourth Proportional to 13,350,031.20, 20,025,046.80 and 7,282,418.40

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Solution

The fourth proportional to 13,350,031.20, 20,025,046.80 and 7,282,418.40 is: 10,923,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350,031.20 : 20,025,046.80 = 7,282,418.40 : x
  2. Step 2: Convert to fraction form
    13,350,031.20/20,025,046.80 = 7,282,418.40/x
  3. Step 3: Cross multiply
    13,350,031.20x = 20,025,046.80 × 7,282,418.40
  4. Step 4: Simplify right side
    13,350,031.20x = 145,830,769,277,181.12
  5. Step 5: Solve for x
    x = 145,830,769,277,181.12/13,350,031.20
  6. Step 6: Final answer
    x = 10,923,627.60

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Similar ratio
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1.5x scale

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.