Home / 11,347,216.20-17,020,824.30-8,809,129.80

Finding the Fourth Proportional to 11,347,216.20, 17,020,824.30 and 8,809,129.80

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Solution

The fourth proportional to 11,347,216.20, 17,020,824.30 and 8,809,129.80 is: 13,213,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347,216.20 : 17,020,824.30 = 8,809,129.80 : x
  2. Step 2: Convert to fraction form
    11,347,216.20/17,020,824.30 = 8,809,129.80/x
  3. Step 3: Cross multiply
    11,347,216.20x = 17,020,824.30 × 8,809,129.80
  4. Step 4: Simplify right side
    11,347,216.20x = 149,938,650,561,694.16
  5. Step 5: Solve for x
    x = 149,938,650,561,694.16/11,347,216.20
  6. Step 6: Final answer
    x = 13,213,694.70

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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.