Home / 31,008,750.33-42,794,544.24-17,956,236.78

Finding the Fourth Proportional to 31,008,750.33, 42,794,544.24 and 17,956,236.78

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Solution

The fourth proportional to 31,008,750.33, 42,794,544.24 and 17,956,236.78 is: 24,781,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,750.33 : 42,794,544.24 = 17,956,236.78 : x
  2. Step 2: Convert to fraction form
    31,008,750.33/42,794,544.24 = 17,956,236.78/x
  3. Step 3: Cross multiply
    31,008,750.33x = 42,794,544.24 × 17,956,236.78
  4. Step 4: Simplify right side
    31,008,750.33x = 768,428,969,265,625.25
  5. Step 5: Solve for x
    x = 768,428,969,265,625.25/31,008,750.33
  6. Step 6: Final answer
    x = 24,781,036.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.