Home / 13,418,191.20-20,127,286.80-11,292,427.20

Finding the Fourth Proportional to 13,418,191.20, 20,127,286.80 and 11,292,427.20

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Solution

The fourth proportional to 13,418,191.20, 20,127,286.80 and 11,292,427.20 is: 16,938,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,191.20 : 20,127,286.80 = 11,292,427.20 : x
  2. Step 2: Convert to fraction form
    13,418,191.20/20,127,286.80 = 11,292,427.20/x
  3. Step 3: Cross multiply
    13,418,191.20x = 20,127,286.80 × 11,292,427.20
  4. Step 4: Simplify right side
    13,418,191.20x = 227,285,920,922,520.97
  5. Step 5: Solve for x
    x = 227,285,920,922,520.97/13,418,191.20
  6. Step 6: Final answer
    x = 16,938,640.80

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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.