Home / 6,761,713.74-10,138,776.15-2,921,139.44

Finding the Fourth Proportional to 6,761,713.74, 10,138,776.15 and 2,921,139.44

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Solution

The fourth proportional to 6,761,713.74, 10,138,776.15 and 2,921,139.44 is: 4,380,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761,713.74 : 10,138,776.15 = 2,921,139.44 : x
  2. Step 2: Convert to fraction form
    6,761,713.74/10,138,776.15 = 2,921,139.44/x
  3. Step 3: Cross multiply
    6,761,713.74x = 10,138,776.15 × 2,921,139.44
  4. Step 4: Simplify right side
    6,761,713.74x = 29,616,778,883,377.16
  5. Step 5: Solve for x
    x = 29,616,778,883,377.16/6,761,713.74
  6. Step 6: Final answer
    x = 4,380,069.91

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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.