Home / 8,309,289.80-12,465,101.10-2,628,921.80

Finding the Fourth Proportional to 8,309,289.80, 12,465,101.10 and 2,628,921.80

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Solution

The fourth proportional to 8,309,289.80, 12,465,101.10 and 2,628,921.80 is: 3,943,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,289.80 : 12,465,101.10 = 2,628,921.80 : x
  2. Step 2: Convert to fraction form
    8,309,289.80/12,465,101.10 = 2,628,921.80/x
  3. Step 3: Cross multiply
    8,309,289.80x = 12,465,101.10 × 2,628,921.80
  4. Step 4: Simplify right side
    8,309,289.80x = 32,769,776,020,993.98
  5. Step 5: Solve for x
    x = 32,769,776,020,993.98/8,309,289.80
  6. Step 6: Final answer
    x = 3,943,751.73

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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.