Home / 12,524,571.74-18,759,864.44-8,458,701.78

Finding the Fourth Proportional to 12,524,571.74, 18,759,864.44 and 8,458,701.78

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Solution

The fourth proportional to 12,524,571.74, 18,759,864.44 and 8,458,701.78 is: 12,669,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524,571.74 : 18,759,864.44 = 8,458,701.78 : x
  2. Step 2: Convert to fraction form
    12,524,571.74/18,759,864.44 = 8,458,701.78/x
  3. Step 3: Cross multiply
    12,524,571.74x = 18,759,864.44 × 8,458,701.78
  4. Step 4: Simplify right side
    12,524,571.74x = 158,684,098,731,186.69
  5. Step 5: Solve for x
    x = 158,684,098,731,186.69/12,524,571.74
  6. Step 6: Final answer
    x = 12,669,822.33

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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.