Home / 13,158,480.82-18,158,829.33-7,726,063.54

Finding the Fourth Proportional to 13,158,480.82, 18,158,829.33 and 7,726,063.54

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Solution

The fourth proportional to 13,158,480.82, 18,158,829.33 and 7,726,063.54 is: 10,662,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,480.82 : 18,158,829.33 = 7,726,063.54 : x
  2. Step 2: Convert to fraction form
    13,158,480.82/18,158,829.33 = 7,726,063.54/x
  3. Step 3: Cross multiply
    13,158,480.82x = 18,158,829.33 × 7,726,063.54
  4. Step 4: Simplify right side
    13,158,480.82x = 140,296,269,215,595.61
  5. Step 5: Solve for x
    x = 140,296,269,215,595.61/13,158,480.82
  6. Step 6: Final answer
    x = 10,662,041.55

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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.