Home / 28,034,326.20-38,687,296.56-15,644,287.56

Finding the Fourth Proportional to 28,034,326.20, 38,687,296.56 and 15,644,287.56

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Solution

The fourth proportional to 28,034,326.20, 38,687,296.56 and 15,644,287.56 is: 21,589,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034,326.20 : 38,687,296.56 = 15,644,287.56 : x
  2. Step 2: Convert to fraction form
    28,034,326.20/38,687,296.56 = 15,644,287.56/x
  3. Step 3: Cross multiply
    28,034,326.20x = 38,687,296.56 × 15,644,287.56
  4. Step 4: Simplify right side
    28,034,326.20x = 605,235,192,303,638.88
  5. Step 5: Solve for x
    x = 605,235,192,303,638.88/28,034,326.20
  6. Step 6: Final answer
    x = 21,589,075.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.