Home / 10,555,906.20-15,815,196.90-9,361,512.60

Finding the Fourth Proportional to 10,555,906.20, 15,815,196.90 and 9,361,512.60

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Solution

The fourth proportional to 10,555,906.20, 15,815,196.90 and 9,361,512.60 is: 14,025,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555,906.20 : 15,815,196.90 = 9,361,512.60 : x
  2. Step 2: Convert to fraction form
    10,555,906.20/15,815,196.90 = 9,361,512.60/x
  3. Step 3: Cross multiply
    10,555,906.20x = 15,815,196.90 × 9,361,512.60
  4. Step 4: Simplify right side
    10,555,906.20x = 148,054,165,050,830.94
  5. Step 5: Solve for x
    x = 148,054,165,050,830.94/10,555,906.20
  6. Step 6: Final answer
    x = 14,025,718.14

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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.