Home / 39,978,567-59,929,540.74-16,917,778.56

Finding the Fourth Proportional to 39,978,567, 59,929,540.74 and 16,917,778.56

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Solution

The fourth proportional to 39,978,567, 59,929,540.74 and 16,917,778.56 is: 25,360,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,978,567 : 59,929,540.74 = 16,917,778.56 : x
  2. Step 2: Convert to fraction form
    39,978,567/59,929,540.74 = 16,917,778.56/x
  3. Step 3: Cross multiply
    39,978,567x = 59,929,540.74 × 16,917,778.56
  4. Step 4: Simplify right side
    39,978,567x = 1,013,874,699,441,818.50
  5. Step 5: Solve for x
    x = 1,013,874,699,441,818.50/39,978,567
  6. Step 6: Final answer
    x = 25,360,456.25

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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.