Home / 15,211,923.04-20,992,471.98-8,242,595.56

Finding the Fourth Proportional to 15,211,923.04, 20,992,471.98 and 8,242,595.56

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Solution

The fourth proportional to 15,211,923.04, 20,992,471.98 and 8,242,595.56 is: 11,374,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211,923.04 : 20,992,471.98 = 8,242,595.56 : x
  2. Step 2: Convert to fraction form
    15,211,923.04/20,992,471.98 = 8,242,595.56/x
  3. Step 3: Cross multiply
    15,211,923.04x = 20,992,471.98 × 8,242,595.56
  4. Step 4: Simplify right side
    15,211,923.04x = 173,032,456,335,772.41
  5. Step 5: Solve for x
    x = 173,032,456,335,772.41/15,211,923.04
  6. Step 6: Final answer
    x = 11,374,791.73

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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.