Home / 14,904,078.60-20,569,806.54-8,378,245.56

Finding the Fourth Proportional to 14,904,078.60, 20,569,806.54 and 8,378,245.56

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Solution

The fourth proportional to 14,904,078.60, 20,569,806.54 and 8,378,245.56 is: 11,563,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904,078.60 : 20,569,806.54 = 8,378,245.56 : x
  2. Step 2: Convert to fraction form
    14,904,078.60/20,569,806.54 = 8,378,245.56/x
  3. Step 3: Cross multiply
    14,904,078.60x = 20,569,806.54 × 8,378,245.56
  4. Step 4: Simplify right side
    14,904,078.60x = 172,338,890,313,813.94
  5. Step 5: Solve for x
    x = 172,338,890,313,813.94/14,904,078.60
  6. Step 6: Final answer
    x = 11,563,203.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.