Home / 28,724,010.24-39,638,940.92-16,334,108.48

Finding the Fourth Proportional to 28,724,010.24, 39,638,940.92 and 16,334,108.48

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Solution

The fourth proportional to 28,724,010.24, 39,638,940.92 and 16,334,108.48 is: 22,540,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,010.24 : 39,638,940.92 = 16,334,108.48 : x
  2. Step 2: Convert to fraction form
    28,724,010.24/39,638,940.92 = 16,334,108.48/x
  3. Step 3: Cross multiply
    28,724,010.24x = 39,638,940.92 × 16,334,108.48
  4. Step 4: Simplify right side
    28,724,010.24x = 647,466,761,019,591
  5. Step 5: Solve for x
    x = 647,466,761,019,591/28,724,010.24
  6. Step 6: Final answer
    x = 22,540,959.83

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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.