Home / 13,111,402.20-19,667,103.30-11,835,943.80

Finding the Fourth Proportional to 13,111,402.20, 19,667,103.30 and 11,835,943.80

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Solution

The fourth proportional to 13,111,402.20, 19,667,103.30 and 11,835,943.80 is: 17,753,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,402.20 : 19,667,103.30 = 11,835,943.80 : x
  2. Step 2: Convert to fraction form
    13,111,402.20/19,667,103.30 = 11,835,943.80/x
  3. Step 3: Cross multiply
    13,111,402.20x = 19,667,103.30 × 11,835,943.80
  4. Step 4: Simplify right side
    13,111,402.20x = 232,778,729,367,594.56
  5. Step 5: Solve for x
    x = 232,778,729,367,594.56/13,111,402.20
  6. Step 6: Final answer
    x = 17,753,915.70

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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.