Home / 37,984,876-52,419,055.62-20,581,692.28

Finding the Fourth Proportional to 37,984,876, 52,419,055.62 and 20,581,692.28

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Solution

The fourth proportional to 37,984,876, 52,419,055.62 and 20,581,692.28 is: 28,402,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,984,876 : 52,419,055.62 = 20,581,692.28 : x
  2. Step 2: Convert to fraction form
    37,984,876/52,419,055.62 = 20,581,692.28/x
  3. Step 3: Cross multiply
    37,984,876x = 52,419,055.62 × 20,581,692.28
  4. Step 4: Simplify right side
    37,984,876x = 1,078,872,872,379,044.62
  5. Step 5: Solve for x
    x = 1,078,872,872,379,044.62/37,984,876
  6. Step 6: Final answer
    x = 28,402,695.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.