Home / 15,211,922.54-20,992,471.29-8,242,595.06

Finding the Fourth Proportional to 15,211,922.54, 20,992,471.29 and 8,242,595.06

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Solution

The fourth proportional to 15,211,922.54, 20,992,471.29 and 8,242,595.06 is: 11,374,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211,922.54 : 20,992,471.29 = 8,242,595.06 : x
  2. Step 2: Convert to fraction form
    15,211,922.54/20,992,471.29 = 8,242,595.06/x
  3. Step 3: Cross multiply
    15,211,922.54x = 20,992,471.29 × 8,242,595.06
  4. Step 4: Simplify right side
    15,211,922.54x = 173,032,440,152,145.81
  5. Step 5: Solve for x
    x = 173,032,440,152,145.81/15,211,922.54
  6. Step 6: Final answer
    x = 11,374,791.04

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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.