Home / 20,078,824.40-30,181,222.20-19,700,910.80

Finding the Fourth Proportional to 20,078,824.40, 30,181,222.20 and 19,700,910.80

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Solution

The fourth proportional to 20,078,824.40, 30,181,222.20 and 19,700,910.80 is: 29,613,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,824.40 : 30,181,222.20 = 19,700,910.80 : x
  2. Step 2: Convert to fraction form
    20,078,824.40/30,181,222.20 = 19,700,910.80/x
  3. Step 3: Cross multiply
    20,078,824.40x = 30,181,222.20 × 19,700,910.80
  4. Step 4: Simplify right side
    20,078,824.40x = 594,597,566,397,179.75
  5. Step 5: Solve for x
    x = 594,597,566,397,179.75/20,078,824.40
  6. Step 6: Final answer
    x = 29,613,166.32

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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.