Home / 12,438,175.82-17,164,449.44-6,931,429.48

Finding the Fourth Proportional to 12,438,175.82, 17,164,449.44 and 6,931,429.48

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Solution

The fourth proportional to 12,438,175.82, 17,164,449.44 and 6,931,429.48 is: 9,565,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438,175.82 : 17,164,449.44 = 6,931,429.48 : x
  2. Step 2: Convert to fraction form
    12,438,175.82/17,164,449.44 = 6,931,429.48/x
  3. Step 3: Cross multiply
    12,438,175.82x = 17,164,449.44 × 6,931,429.48
  4. Step 4: Simplify right side
    12,438,175.82x = 118,974,170,856,385.52
  5. Step 5: Solve for x
    x = 118,974,170,856,385.52/12,438,175.82
  6. Step 6: Final answer
    x = 9,565,242.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.