Home / 29,969,774-41,358,418.44-16,218,739.34

Finding the Fourth Proportional to 29,969,774, 41,358,418.44 and 16,218,739.34

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Solution

The fourth proportional to 29,969,774, 41,358,418.44 and 16,218,739.34 is: 22,381,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,969,774 : 41,358,418.44 = 16,218,739.34 : x
  2. Step 2: Convert to fraction form
    29,969,774/41,358,418.44 = 16,218,739.34/x
  3. Step 3: Cross multiply
    29,969,774x = 41,358,418.44 × 16,218,739.34
  4. Step 4: Simplify right side
    29,969,774x = 670,781,408,193,009.38
  5. Step 5: Solve for x
    x = 670,781,408,193,009.38/29,969,774
  6. Step 6: Final answer
    x = 22,381,930.81

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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.