Home / 13,365,568.29-20,056,786.08-5,689,200.87

Finding the Fourth Proportional to 13,365,568.29, 20,056,786.08 and 5,689,200.87

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Solution

The fourth proportional to 13,365,568.29, 20,056,786.08 and 5,689,200.87 is: 8,537,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,568.29 : 20,056,786.08 = 5,689,200.87 : x
  2. Step 2: Convert to fraction form
    13,365,568.29/20,056,786.08 = 5,689,200.87/x
  3. Step 3: Cross multiply
    13,365,568.29x = 20,056,786.08 × 5,689,200.87
  4. Step 4: Simplify right side
    13,365,568.29x = 114,107,084,815,739.88
  5. Step 5: Solve for x
    x = 114,107,084,815,739.88/13,365,568.29
  6. Step 6: Final answer
    x = 8,537,391.18

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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.