Home / 20,733,128.10-31,099,692.15-9,948,593.70

Finding the Fourth Proportional to 20,733,128.10, 31,099,692.15 and 9,948,593.70

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Solution

The fourth proportional to 20,733,128.10, 31,099,692.15 and 9,948,593.70 is: 14,922,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,128.10 : 31,099,692.15 = 9,948,593.70 : x
  2. Step 2: Convert to fraction form
    20,733,128.10/31,099,692.15 = 9,948,593.70/x
  3. Step 3: Cross multiply
    20,733,128.10x = 31,099,692.15 × 9,948,593.70
  4. Step 4: Simplify right side
    20,733,128.10x = 309,398,201,395,429.44
  5. Step 5: Solve for x
    x = 309,398,201,395,429.44/20,733,128.10
  6. Step 6: Final answer
    x = 14,922,890.55

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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.