Home / 13,741,321.20-20,611,981.80-13,426,393.20

Finding the Fourth Proportional to 13,741,321.20, 20,611,981.80 and 13,426,393.20

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Solution

The fourth proportional to 13,741,321.20, 20,611,981.80 and 13,426,393.20 is: 20,139,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,321.20 : 20,611,981.80 = 13,426,393.20 : x
  2. Step 2: Convert to fraction form
    13,741,321.20/20,611,981.80 = 13,426,393.20/x
  3. Step 3: Cross multiply
    13,741,321.20x = 20,611,981.80 × 13,426,393.20
  4. Step 4: Simplify right side
    13,741,321.20x = 276,744,572,278,043.75
  5. Step 5: Solve for x
    x = 276,744,572,278,043.75/13,741,321.20
  6. Step 6: Final answer
    x = 20,139,589.80

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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.