Home / 8,619,033.40-12,928,550.10-3,821,630.20

Finding the Fourth Proportional to 8,619,033.40, 12,928,550.10 and 3,821,630.20

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Solution

The fourth proportional to 8,619,033.40, 12,928,550.10 and 3,821,630.20 is: 5,732,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,033.40 : 12,928,550.10 = 3,821,630.20 : x
  2. Step 2: Convert to fraction form
    8,619,033.40/12,928,550.10 = 3,821,630.20/x
  3. Step 3: Cross multiply
    8,619,033.40x = 12,928,550.10 × 3,821,630.20
  4. Step 4: Simplify right side
    8,619,033.40x = 49,408,137,504,373.02
  5. Step 5: Solve for x
    x = 49,408,137,504,373.02/8,619,033.40
  6. Step 6: Final answer
    x = 5,732,445.30

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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.