Home / 18,028,529.03-24,859,249.69-13,057,138.36

Finding the Fourth Proportional to 18,028,529.03, 24,859,249.69 and 13,057,138.36

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Solution

The fourth proportional to 18,028,529.03, 24,859,249.69 and 13,057,138.36 is: 18,004,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028,529.03 : 24,859,249.69 = 13,057,138.36 : x
  2. Step 2: Convert to fraction form
    18,028,529.03/24,859,249.69 = 13,057,138.36/x
  3. Step 3: Cross multiply
    18,028,529.03x = 24,859,249.69 × 13,057,138.36
  4. Step 4: Simplify right side
    18,028,529.03x = 324,590,662,857,689.25
  5. Step 5: Solve for x
    x = 324,590,662,857,689.25/18,028,529.03
  6. Step 6: Final answer
    x = 18,004,278.79

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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.