Home / 12,374,015.12-17,078,193.20-7,217,376.52

Finding the Fourth Proportional to 12,374,015.12, 17,078,193.20 and 7,217,376.52

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Solution

The fourth proportional to 12,374,015.12, 17,078,193.20 and 7,217,376.52 is: 9,961,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374,015.12 : 17,078,193.20 = 7,217,376.52 : x
  2. Step 2: Convert to fraction form
    12,374,015.12/17,078,193.20 = 7,217,376.52/x
  3. Step 3: Cross multiply
    12,374,015.12x = 17,078,193.20 × 7,217,376.52
  4. Step 4: Simplify right side
    12,374,015.12x = 123,259,750,605,703.66
  5. Step 5: Solve for x
    x = 123,259,750,605,703.66/12,374,015.12
  6. Step 6: Final answer
    x = 9,961,176.66

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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.