Home / 20,078,015.93-27,716,137.34-13,560,473.33

Finding the Fourth Proportional to 20,078,015.93, 27,716,137.34 and 13,560,473.33

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Solution

The fourth proportional to 20,078,015.93, 27,716,137.34 and 13,560,473.33 is: 18,719,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,015.93 : 27,716,137.34 = 13,560,473.33 : x
  2. Step 2: Convert to fraction form
    20,078,015.93/27,716,137.34 = 13,560,473.33/x
  3. Step 3: Cross multiply
    20,078,015.93x = 27,716,137.34 × 13,560,473.33
  4. Step 4: Simplify right side
    20,078,015.93x = 375,843,941,209,687.12
  5. Step 5: Solve for x
    x = 375,843,941,209,687.12/20,078,015.93
  6. Step 6: Final answer
    x = 18,719,177.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.