Home / 8,515,657.62-11,749,853.25-4,893,285.78

Finding the Fourth Proportional to 8,515,657.62, 11,749,853.25 and 4,893,285.78

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Solution

The fourth proportional to 8,515,657.62, 11,749,853.25 and 4,893,285.78 is: 6,751,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,657.62 : 11,749,853.25 = 4,893,285.78 : x
  2. Step 2: Convert to fraction form
    8,515,657.62/11,749,853.25 = 4,893,285.78/x
  3. Step 3: Cross multiply
    8,515,657.62x = 11,749,853.25 × 4,893,285.78
  4. Step 4: Simplify right side
    8,515,657.62x = 57,495,389,825,311.79
  5. Step 5: Solve for x
    x = 57,495,389,825,311.79/8,515,657.62
  6. Step 6: Final answer
    x = 6,751,726.34

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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.