Home / 18,144,043.20-27,216,064.80-13,665,067.20

Finding the Fourth Proportional to 18,144,043.20, 27,216,064.80 and 13,665,067.20

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Solution

The fourth proportional to 18,144,043.20, 27,216,064.80 and 13,665,067.20 is: 20,497,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,043.20 : 27,216,064.80 = 13,665,067.20 : x
  2. Step 2: Convert to fraction form
    18,144,043.20/27,216,064.80 = 13,665,067.20/x
  3. Step 3: Cross multiply
    18,144,043.20x = 27,216,064.80 × 13,665,067.20
  4. Step 4: Simplify right side
    18,144,043.20x = 371,909,354,411,554.56
  5. Step 5: Solve for x
    x = 371,909,354,411,554.56/18,144,043.20
  6. Step 6: Final answer
    x = 20,497,600.80

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Similar ratio
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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.