Home / 19,887,871.25-29,832,448.39-5,511,077.57

Finding the Fourth Proportional to 19,887,871.25, 29,832,448.39 and 5,511,077.57

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Solution

The fourth proportional to 19,887,871.25, 29,832,448.39 and 5,511,077.57 is: 8,266,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887,871.25 : 29,832,448.39 = 5,511,077.57 : x
  2. Step 2: Convert to fraction form
    19,887,871.25/29,832,448.39 = 5,511,077.57/x
  3. Step 3: Cross multiply
    19,887,871.25x = 29,832,448.39 × 5,511,077.57
  4. Step 4: Simplify right side
    19,887,871.25x = 164,408,937,017,371.69
  5. Step 5: Solve for x
    x = 164,408,937,017,371.69/19,887,871.25
  6. Step 6: Final answer
    x = 8,266,794.12

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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.