Home / 28,034,098.38-38,686,983.48-15,644,062.98

Finding the Fourth Proportional to 28,034,098.38, 38,686,983.48 and 15,644,062.98

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Solution

The fourth proportional to 28,034,098.38, 38,686,983.48 and 15,644,062.98 is: 21,588,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034,098.38 : 38,686,983.48 = 15,644,062.98 : x
  2. Step 2: Convert to fraction form
    28,034,098.38/38,686,983.48 = 15,644,062.98/x
  3. Step 3: Cross multiply
    28,034,098.38x = 38,686,983.48 × 15,644,062.98
  4. Step 4: Simplify right side
    28,034,098.38x = 605,221,606,067,339.50
  5. Step 5: Solve for x
    x = 605,221,606,067,339.50/28,034,098.38
  6. Step 6: Final answer
    x = 21,588,766.58

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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.