Home / 18,172,360.80-27,273,412.80-18,030,643.20

Finding the Fourth Proportional to 18,172,360.80, 27,273,412.80 and 18,030,643.20

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Solution

The fourth proportional to 18,172,360.80, 27,273,412.80 and 18,030,643.20 is: 27,060,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,360.80 : 27,273,412.80 = 18,030,643.20 : x
  2. Step 2: Convert to fraction form
    18,172,360.80/27,273,412.80 = 18,030,643.20/x
  3. Step 3: Cross multiply
    18,172,360.80x = 27,273,412.80 × 18,030,643.20
  4. Step 4: Simplify right side
    18,172,360.80x = 491,757,175,043,112.94
  5. Step 5: Solve for x
    x = 491,757,175,043,112.94/18,172,360.80
  6. Step 6: Final answer
    x = 27,060,720.42

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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.