Home / 20,833,408.80-31,250,116.80-8,696,251.20

Finding the Fourth Proportional to 20,833,408.80, 31,250,116.80 and 8,696,251.20

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Solution

The fourth proportional to 20,833,408.80, 31,250,116.80 and 8,696,251.20 is: 13,044,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833,408.80 : 31,250,116.80 = 8,696,251.20 : x
  2. Step 2: Convert to fraction form
    20,833,408.80/31,250,116.80 = 8,696,251.20/x
  3. Step 3: Cross multiply
    20,833,408.80x = 31,250,116.80 × 8,696,251.20
  4. Step 4: Simplify right side
    20,833,408.80x = 271,758,865,722,140.16
  5. Step 5: Solve for x
    x = 271,758,865,722,140.16/20,833,408.80
  6. Step 6: Final answer
    x = 13,044,378.30

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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.