Home / 13,561,144.20-20,341,716.30-8,175,875.40

Finding the Fourth Proportional to 13,561,144.20, 20,341,716.30 and 8,175,875.40

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Solution

The fourth proportional to 13,561,144.20, 20,341,716.30 and 8,175,875.40 is: 12,263,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,144.20 : 20,341,716.30 = 8,175,875.40 : x
  2. Step 2: Convert to fraction form
    13,561,144.20/20,341,716.30 = 8,175,875.40/x
  3. Step 3: Cross multiply
    13,561,144.20x = 20,341,716.30 × 8,175,875.40
  4. Step 4: Simplify right side
    13,561,144.20x = 166,311,337,890,949.03
  5. Step 5: Solve for x
    x = 166,311,337,890,949.03/13,561,144.20
  6. Step 6: Final answer
    x = 12,263,813.10

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1.5x scale

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.