Home / 12,148,730.60-18,223,311.90-3,629,172.20

Finding the Fourth Proportional to 12,148,730.60, 18,223,311.90 and 3,629,172.20

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Solution

The fourth proportional to 12,148,730.60, 18,223,311.90 and 3,629,172.20 is: 5,443,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,730.60 : 18,223,311.90 = 3,629,172.20 : x
  2. Step 2: Convert to fraction form
    12,148,730.60/18,223,311.90 = 3,629,172.20/x
  3. Step 3: Cross multiply
    12,148,730.60x = 18,223,311.90 × 3,629,172.20
  4. Step 4: Simplify right side
    12,148,730.60x = 66,135,536,939,409.18
  5. Step 5: Solve for x
    x = 66,135,536,939,409.18/12,148,730.60
  6. Step 6: Final answer
    x = 5,443,822.83

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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.