Home / 36,085,621.60-54,143,984.40-20,952,488.80

Finding the Fourth Proportional to 36,085,621.60, 54,143,984.40 and 20,952,488.80

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Solution

The fourth proportional to 36,085,621.60, 54,143,984.40 and 20,952,488.80 is: 31,437,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085,621.60 : 54,143,984.40 = 20,952,488.80 : x
  2. Step 2: Convert to fraction form
    36,085,621.60/54,143,984.40 = 20,952,488.80/x
  3. Step 3: Cross multiply
    36,085,621.60x = 54,143,984.40 × 20,952,488.80
  4. Step 4: Simplify right side
    36,085,621.60x = 1,134,451,226,728,374.75
  5. Step 5: Solve for x
    x = 1,134,451,226,728,374.75/36,085,621.60
  6. Step 6: Final answer
    x = 31,437,763.20

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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.