Home / 13,568,009.40-20,352,014.10-12,728,201.40

Finding the Fourth Proportional to 13,568,009.40, 20,352,014.10 and 12,728,201.40

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Solution

The fourth proportional to 13,568,009.40, 20,352,014.10 and 12,728,201.40 is: 19,092,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568,009.40 : 20,352,014.10 = 12,728,201.40 : x
  2. Step 2: Convert to fraction form
    13,568,009.40/20,352,014.10 = 12,728,201.40/x
  3. Step 3: Cross multiply
    13,568,009.40x = 20,352,014.10 × 12,728,201.40
  4. Step 4: Simplify right side
    13,568,009.40x = 259,044,534,360,439.78
  5. Step 5: Solve for x
    x = 259,044,534,360,439.78/13,568,009.40
  6. Step 6: Final answer
    x = 19,092,302.10

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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.