Home / 8,629,280.20-12,943,920.30-8,097,401.80

Finding the Fourth Proportional to 8,629,280.20, 12,943,920.30 and 8,097,401.80

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Solution

The fourth proportional to 8,629,280.20, 12,943,920.30 and 8,097,401.80 is: 12,146,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,280.20 : 12,943,920.30 = 8,097,401.80 : x
  2. Step 2: Convert to fraction form
    8,629,280.20/12,943,920.30 = 8,097,401.80/x
  3. Step 3: Cross multiply
    8,629,280.20x = 12,943,920.30 × 8,097,401.80
  4. Step 4: Simplify right side
    8,629,280.20x = 104,812,123,536,276.55
  5. Step 5: Solve for x
    x = 104,812,123,536,276.55/8,629,280.20
  6. Step 6: Final answer
    x = 12,146,102.70

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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.