Home / 8,309,389.80-12,465,251.10-2,629,021.80

Finding the Fourth Proportional to 8,309,389.80, 12,465,251.10 and 2,629,021.80

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Solution

The fourth proportional to 8,309,389.80, 12,465,251.10 and 2,629,021.80 is: 3,943,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,389.80 : 12,465,251.10 = 2,629,021.80 : x
  2. Step 2: Convert to fraction form
    8,309,389.80/12,465,251.10 = 2,629,021.80/x
  3. Step 3: Cross multiply
    8,309,389.80x = 12,465,251.10 × 2,629,021.80
  4. Step 4: Simplify right side
    8,309,389.80x = 32,771,416,884,373.98
  5. Step 5: Solve for x
    x = 32,771,416,884,373.98/8,309,389.80
  6. Step 6: Final answer
    x = 3,943,901.74

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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.