Home / 12,627,103.88-17,413,782.62-8,274,609.38

Finding the Fourth Proportional to 12,627,103.88, 17,413,782.62 and 8,274,609.38

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Solution

The fourth proportional to 12,627,103.88, 17,413,782.62 and 8,274,609.38 is: 11,411,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627,103.88 : 17,413,782.62 = 8,274,609.38 : x
  2. Step 2: Convert to fraction form
    12,627,103.88/17,413,782.62 = 8,274,609.38/x
  3. Step 3: Cross multiply
    12,627,103.88x = 17,413,782.62 × 8,274,609.38
  4. Step 4: Simplify right side
    12,627,103.88x = 144,092,249,008,732.97
  5. Step 5: Solve for x
    x = 144,092,249,008,732.97/12,627,103.88
  6. Step 6: Final answer
    x = 11,411,345.81

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1.5x scale

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.