Home / 13,288,717.80-19,933,076.70-13,162,746.60

Finding the Fourth Proportional to 13,288,717.80, 19,933,076.70 and 13,162,746.60

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Solution

The fourth proportional to 13,288,717.80, 19,933,076.70 and 13,162,746.60 is: 19,744,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,717.80 : 19,933,076.70 = 13,162,746.60 : x
  2. Step 2: Convert to fraction form
    13,288,717.80/19,933,076.70 = 13,162,746.60/x
  3. Step 3: Cross multiply
    13,288,717.80x = 19,933,076.70 × 13,162,746.60
  4. Step 4: Simplify right side
    13,288,717.80x = 262,374,037,560,464.19
  5. Step 5: Solve for x
    x = 262,374,037,560,464.19/13,288,717.80
  6. Step 6: Final answer
    x = 19,744,119.90

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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.