Home / 11,663,999.90-17,495,999.85-8,640,691.10

Finding the Fourth Proportional to 11,663,999.90, 17,495,999.85 and 8,640,691.10

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Solution

The fourth proportional to 11,663,999.90, 17,495,999.85 and 8,640,691.10 is: 12,961,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663,999.90 : 17,495,999.85 = 8,640,691.10 : x
  2. Step 2: Convert to fraction form
    11,663,999.90/17,495,999.85 = 8,640,691.10/x
  3. Step 3: Cross multiply
    11,663,999.90x = 17,495,999.85 × 8,640,691.10
  4. Step 4: Simplify right side
    11,663,999.90x = 151,177,530,189,496.34
  5. Step 5: Solve for x
    x = 151,177,530,189,496.34/11,663,999.90
  6. Step 6: Final answer
    x = 12,961,036.65

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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.