Home / 14,378,944.80-21,568,417.20-13,203,213.60

Finding the Fourth Proportional to 14,378,944.80, 21,568,417.20 and 13,203,213.60

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Solution

The fourth proportional to 14,378,944.80, 21,568,417.20 and 13,203,213.60 is: 19,804,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378,944.80 : 21,568,417.20 = 13,203,213.60 : x
  2. Step 2: Convert to fraction form
    14,378,944.80/21,568,417.20 = 13,203,213.60/x
  3. Step 3: Cross multiply
    14,378,944.80x = 21,568,417.20 × 13,203,213.60
  4. Step 4: Simplify right side
    14,378,944.80x = 284,772,419,305,513.88
  5. Step 5: Solve for x
    x = 284,772,419,305,513.88/14,378,944.80
  6. Step 6: Final answer
    x = 19,804,820.40

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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.