Home / 20,008,238.72-30,012,970.44-13,854,195.68

Finding the Fourth Proportional to 20,008,238.72, 30,012,970.44 and 13,854,195.68

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Solution

The fourth proportional to 20,008,238.72, 30,012,970.44 and 13,854,195.68 is: 20,781,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008,238.72 : 30,012,970.44 = 13,854,195.68 : x
  2. Step 2: Convert to fraction form
    20,008,238.72/30,012,970.44 = 13,854,195.68/x
  3. Step 3: Cross multiply
    20,008,238.72x = 30,012,970.44 × 13,854,195.68
  4. Step 4: Simplify right side
    20,008,238.72x = 415,805,565,413,815.69
  5. Step 5: Solve for x
    x = 415,805,565,413,815.69/20,008,238.72
  6. Step 6: Final answer
    x = 20,781,717.53

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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.