Home / 8,328,821.80-12,493,232.70-2,649,620.20

Finding the Fourth Proportional to 8,328,821.80, 12,493,232.70 and 2,649,620.20

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Solution

The fourth proportional to 8,328,821.80, 12,493,232.70 and 2,649,620.20 is: 3,974,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328,821.80 : 12,493,232.70 = 2,649,620.20 : x
  2. Step 2: Convert to fraction form
    8,328,821.80/12,493,232.70 = 2,649,620.20/x
  3. Step 3: Cross multiply
    8,328,821.80x = 12,493,232.70 × 2,649,620.20
  4. Step 4: Simplify right side
    8,328,821.80x = 33,102,321,725,220.54
  5. Step 5: Solve for x
    x = 33,102,321,725,220.54/8,328,821.80
  6. Step 6: Final answer
    x = 3,974,430.30

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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.