Home / 12,604,911.70-18,907,367.55-3,630,370.90

Finding the Fourth Proportional to 12,604,911.70, 18,907,367.55 and 3,630,370.90

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Solution

The fourth proportional to 12,604,911.70, 18,907,367.55 and 3,630,370.90 is: 5,445,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,911.70 : 18,907,367.55 = 3,630,370.90 : x
  2. Step 2: Convert to fraction form
    12,604,911.70/18,907,367.55 = 3,630,370.90/x
  3. Step 3: Cross multiply
    12,604,911.70x = 18,907,367.55 × 3,630,370.90
  4. Step 4: Simplify right side
    12,604,911.70x = 68,640,756,949,124.30
  5. Step 5: Solve for x
    x = 68,640,756,949,124.30/12,604,911.70
  6. Step 6: Final answer
    x = 5,445,556.35

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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.