Home / 13,247,999.20-19,871,998.80-11,568,383.20

Finding the Fourth Proportional to 13,247,999.20, 19,871,998.80 and 11,568,383.20

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Solution

The fourth proportional to 13,247,999.20, 19,871,998.80 and 11,568,383.20 is: 17,352,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,999.20 : 19,871,998.80 = 11,568,383.20 : x
  2. Step 2: Convert to fraction form
    13,247,999.20/19,871,998.80 = 11,568,383.20/x
  3. Step 3: Cross multiply
    13,247,999.20x = 19,871,998.80 × 11,568,383.20
  4. Step 4: Simplify right side
    13,247,999.20x = 229,886,897,068,340.16
  5. Step 5: Solve for x
    x = 229,886,897,068,340.16/13,247,999.20
  6. Step 6: Final answer
    x = 17,352,574.80

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1.5x scale

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.