Home / 28,972,290.60-39,985,236.90-17,376,233.40

Finding the Fourth Proportional to 28,972,290.60, 39,985,236.90 and 17,376,233.40

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Solution

The fourth proportional to 28,972,290.60, 39,985,236.90 and 17,376,233.40 is: 23,981,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972,290.60 : 39,985,236.90 = 17,376,233.40 : x
  2. Step 2: Convert to fraction form
    28,972,290.60/39,985,236.90 = 17,376,233.40/x
  3. Step 3: Cross multiply
    28,972,290.60x = 39,985,236.90 × 17,376,233.40
  4. Step 4: Simplify right side
    28,972,290.60x = 694,792,808,928,692.38
  5. Step 5: Solve for x
    x = 694,792,808,928,692.38/28,972,290.60
  6. Step 6: Final answer
    x = 23,981,286.76

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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.