Home / 36,251,812.80-54,377,719.20-21,919,089.60

Finding the Fourth Proportional to 36,251,812.80, 54,377,719.20 and 21,919,089.60

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Solution

The fourth proportional to 36,251,812.80, 54,377,719.20 and 21,919,089.60 is: 32,878,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,251,812.80 : 54,377,719.20 = 21,919,089.60 : x
  2. Step 2: Convert to fraction form
    36,251,812.80/54,377,719.20 = 21,919,089.60/x
  3. Step 3: Cross multiply
    36,251,812.80x = 54,377,719.20 × 21,919,089.60
  4. Step 4: Simplify right side
    36,251,812.80x = 1,191,910,099,388,440.50
  5. Step 5: Solve for x
    x = 1,191,910,099,388,440.50/36,251,812.80
  6. Step 6: Final answer
    x = 32,878,634.40

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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.