Home / 28,161,179.02-42,259,538.19-11,987,104.48

Finding the Fourth Proportional to 28,161,179.02, 42,259,538.19 and 11,987,104.48

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Solution

The fourth proportional to 28,161,179.02, 42,259,538.19 and 11,987,104.48 is: 17,988,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161,179.02 : 42,259,538.19 = 11,987,104.48 : x
  2. Step 2: Convert to fraction form
    28,161,179.02/42,259,538.19 = 11,987,104.48/x
  3. Step 3: Cross multiply
    28,161,179.02x = 42,259,538.19 × 11,987,104.48
  4. Step 4: Simplify right side
    28,161,179.02x = 506,569,499,560,080.06
  5. Step 5: Solve for x
    x = 506,569,499,560,080.06/28,161,179.02
  6. Step 6: Final answer
    x = 17,988,220.56

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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.