Home / 20,741,719.40-31,140,572.70-16,486,692.20

Finding the Fourth Proportional to 20,741,719.40, 31,140,572.70 and 16,486,692.20

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Solution

The fourth proportional to 20,741,719.40, 31,140,572.70 and 16,486,692.20 is: 24,752,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,719.40 : 31,140,572.70 = 16,486,692.20 : x
  2. Step 2: Convert to fraction form
    20,741,719.40/31,140,572.70 = 16,486,692.20/x
  3. Step 3: Cross multiply
    20,741,719.40x = 31,140,572.70 × 16,486,692.20
  4. Step 4: Simplify right side
    20,741,719.40x = 513,405,037,036,622.88
  5. Step 5: Solve for x
    x = 513,405,037,036,622.88/20,741,719.40
  6. Step 6: Final answer
    x = 24,752,289.20

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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.