Home / 20,202,098.20-30,303,147.30-14,143,670.80

Finding the Fourth Proportional to 20,202,098.20, 30,303,147.30 and 14,143,670.80

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Solution

The fourth proportional to 20,202,098.20, 30,303,147.30 and 14,143,670.80 is: 21,215,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202,098.20 : 30,303,147.30 = 14,143,670.80 : x
  2. Step 2: Convert to fraction form
    20,202,098.20/30,303,147.30 = 14,143,670.80/x
  3. Step 3: Cross multiply
    20,202,098.20x = 30,303,147.30 × 14,143,670.80
  4. Step 4: Simplify right side
    20,202,098.20x = 428,597,739,615,108.88
  5. Step 5: Solve for x
    x = 428,597,739,615,108.88/20,202,098.20
  6. Step 6: Final answer
    x = 21,215,506.20

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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.