Home / 13,380,502.52-18,463,612.44-7,419,759.36

Finding the Fourth Proportional to 13,380,502.52, 18,463,612.44 and 7,419,759.36

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Solution

The fourth proportional to 13,380,502.52, 18,463,612.44 and 7,419,759.36 is: 10,238,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,502.52 : 18,463,612.44 = 7,419,759.36 : x
  2. Step 2: Convert to fraction form
    13,380,502.52/18,463,612.44 = 7,419,759.36/x
  3. Step 3: Cross multiply
    13,380,502.52x = 18,463,612.44 × 7,419,759.36
  4. Step 4: Simplify right side
    13,380,502.52x = 136,995,561,221,102.45
  5. Step 5: Solve for x
    x = 136,995,561,221,102.45/13,380,502.52
  6. Step 6: Final answer
    x = 10,238,446.65

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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.