Home / 12,856,531.82-17,742,229.47-7,055,853.30

Finding the Fourth Proportional to 12,856,531.82, 17,742,229.47 and 7,055,853.30

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Solution

The fourth proportional to 12,856,531.82, 17,742,229.47 and 7,055,853.30 is: 9,737,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,531.82 : 17,742,229.47 = 7,055,853.30 : x
  2. Step 2: Convert to fraction form
    12,856,531.82/17,742,229.47 = 7,055,853.30/x
  3. Step 3: Cross multiply
    12,856,531.82x = 17,742,229.47 × 7,055,853.30
  4. Step 4: Simplify right side
    12,856,531.82x = 125,186,568,355,256.73
  5. Step 5: Solve for x
    x = 125,186,568,355,256.73/12,856,531.82
  6. Step 6: Final answer
    x = 9,737,195.86

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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.