Home / 8,448,052.20-12,672,078.30-5,080,525.80

Finding the Fourth Proportional to 8,448,052.20, 12,672,078.30 and 5,080,525.80

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Solution

The fourth proportional to 8,448,052.20, 12,672,078.30 and 5,080,525.80 is: 7,620,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,052.20 : 12,672,078.30 = 5,080,525.80 : x
  2. Step 2: Convert to fraction form
    8,448,052.20/12,672,078.30 = 5,080,525.80/x
  3. Step 3: Cross multiply
    8,448,052.20x = 12,672,078.30 × 5,080,525.80
  4. Step 4: Simplify right side
    8,448,052.20x = 64,380,820,742,770.14
  5. Step 5: Solve for x
    x = 64,380,820,742,770.14/8,448,052.20
  6. Step 6: Final answer
    x = 7,620,788.70

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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.