Home / 26,357,138.28-39,561,273.18-12,719,881.80

Finding the Fourth Proportional to 26,357,138.28, 39,561,273.18 and 12,719,881.80

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Solution

The fourth proportional to 26,357,138.28, 39,561,273.18 and 12,719,881.80 is: 19,092,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,357,138.28 : 39,561,273.18 = 12,719,881.80 : x
  2. Step 2: Convert to fraction form
    26,357,138.28/39,561,273.18 = 12,719,881.80/x
  3. Step 3: Cross multiply
    26,357,138.28x = 39,561,273.18 × 12,719,881.80
  4. Step 4: Simplify right side
    26,357,138.28x = 503,214,718,707,110.12
  5. Step 5: Solve for x
    x = 503,214,718,707,110.12/26,357,138.28
  6. Step 6: Final answer
    x = 19,092,160.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.