Home / 14,063,015.78-21,199,928.85-13,125,572.58

Finding the Fourth Proportional to 14,063,015.78, 21,199,928.85 and 13,125,572.58

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Solution

The fourth proportional to 14,063,015.78, 21,199,928.85 and 13,125,572.58 is: 19,786,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063,015.78 : 21,199,928.85 = 13,125,572.58 : x
  2. Step 2: Convert to fraction form
    14,063,015.78/21,199,928.85 = 13,125,572.58/x
  3. Step 3: Cross multiply
    14,063,015.78x = 21,199,928.85 × 13,125,572.58
  4. Step 4: Simplify right side
    14,063,015.78x = 278,261,204,811,510.97
  5. Step 5: Solve for x
    x = 278,261,204,811,510.97/14,063,015.78
  6. Step 6: Final answer
    x = 19,786,737.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.