Home / 20,853,635.20-31,280,452.80-14,033,475.70

Finding the Fourth Proportional to 20,853,635.20, 31,280,452.80 and 14,033,475.70

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Solution

The fourth proportional to 20,853,635.20, 31,280,452.80 and 14,033,475.70 is: 21,050,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,635.20 : 31,280,452.80 = 14,033,475.70 : x
  2. Step 2: Convert to fraction form
    20,853,635.20/31,280,452.80 = 14,033,475.70/x
  3. Step 3: Cross multiply
    20,853,635.20x = 31,280,452.80 × 14,033,475.70
  4. Step 4: Simplify right side
    20,853,635.20x = 438,973,474,253,796.94
  5. Step 5: Solve for x
    x = 438,973,474,253,796.94/20,853,635.20
  6. Step 6: Final answer
    x = 21,050,213.55

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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.