Home / 5,638,876.10-7,781,565.13-3,191,951.15

Finding the Fourth Proportional to 5,638,876.10, 7,781,565.13 and 3,191,951.15

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Solution

The fourth proportional to 5,638,876.10, 7,781,565.13 and 3,191,951.15 is: 4,404,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,876.10 : 7,781,565.13 = 3,191,951.15 : x
  2. Step 2: Convert to fraction form
    5,638,876.10/7,781,565.13 = 3,191,951.15/x
  3. Step 3: Cross multiply
    5,638,876.10x = 7,781,565.13 × 3,191,951.15
  4. Step 4: Simplify right side
    5,638,876.10x = 24,838,375,718,615.70
  5. Step 5: Solve for x
    x = 24,838,375,718,615.70/5,638,876.10
  6. Step 6: Final answer
    x = 4,404,845.10

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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.