Home / 13,418,179.20-20,127,268.80-11,292,415.20

Finding the Fourth Proportional to 13,418,179.20, 20,127,268.80 and 11,292,415.20

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Solution

The fourth proportional to 13,418,179.20, 20,127,268.80 and 11,292,415.20 is: 16,938,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,179.20 : 20,127,268.80 = 11,292,415.20 : x
  2. Step 2: Convert to fraction form
    13,418,179.20/20,127,268.80 = 11,292,415.20/x
  3. Step 3: Cross multiply
    13,418,179.20x = 20,127,268.80 × 11,292,415.20
  4. Step 4: Simplify right side
    13,418,179.20x = 227,285,476,131,605.75
  5. Step 5: Solve for x
    x = 227,285,476,131,605.75/13,418,179.20
  6. Step 6: Final answer
    x = 16,938,622.80

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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.