Home / 43,538,710.82-65,317,514.07-13,245,786.50

Finding the Fourth Proportional to 43,538,710.82, 65,317,514.07 and 13,245,786.50

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Solution

The fourth proportional to 43,538,710.82, 65,317,514.07 and 13,245,786.50 is: 19,871,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538,710.82 : 65,317,514.07 = 13,245,786.50 : x
  2. Step 2: Convert to fraction form
    43,538,710.82/65,317,514.07 = 13,245,786.50/x
  3. Step 3: Cross multiply
    43,538,710.82x = 65,317,514.07 × 13,245,786.50
  4. Step 4: Simplify right side
    43,538,710.82x = 865,181,846,081,966
  5. Step 5: Solve for x
    x = 865,181,846,081,966/43,538,710.82
  6. Step 6: Final answer
    x = 19,871,554.07

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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.