Home / 36,251,824.80-54,377,737.20-21,919,101.60

Finding the Fourth Proportional to 36,251,824.80, 54,377,737.20 and 21,919,101.60

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Solution

The fourth proportional to 36,251,824.80, 54,377,737.20 and 21,919,101.60 is: 32,878,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,251,824.80 : 54,377,737.20 = 21,919,101.60 : x
  2. Step 2: Convert to fraction form
    36,251,824.80/54,377,737.20 = 21,919,101.60/x
  3. Step 3: Cross multiply
    36,251,824.80x = 54,377,737.20 × 21,919,101.60
  4. Step 4: Simplify right side
    36,251,824.80x = 1,191,911,146,464,899.75
  5. Step 5: Solve for x
    x = 1,191,911,146,464,899.75/36,251,824.80
  6. Step 6: Final answer
    x = 32,878,652.40

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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.