Home / 10,809,042.36-16,215,876.60-3,985,635.24

Finding the Fourth Proportional to 10,809,042.36, 16,215,876.60 and 3,985,635.24

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Solution

The fourth proportional to 10,809,042.36, 16,215,876.60 and 3,985,635.24 is: 5,979,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809,042.36 : 16,215,876.60 = 3,985,635.24 : x
  2. Step 2: Convert to fraction form
    10,809,042.36/16,215,876.60 = 3,985,635.24/x
  3. Step 3: Cross multiply
    10,809,042.36x = 16,215,876.60 × 3,985,635.24
  4. Step 4: Simplify right side
    10,809,042.36x = 64,630,569,224,451.38
  5. Step 5: Solve for x
    x = 64,630,569,224,451.38/10,809,042.36
  6. Step 6: Final answer
    x = 5,979,305.76

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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.