Home / 13,505,608.62-18,639,514.80-7,703,060.22

Finding the Fourth Proportional to 13,505,608.62, 18,639,514.80 and 7,703,060.22

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Solution

The fourth proportional to 13,505,608.62, 18,639,514.80 and 7,703,060.22 is: 10,631,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,608.62 : 18,639,514.80 = 7,703,060.22 : x
  2. Step 2: Convert to fraction form
    13,505,608.62/18,639,514.80 = 7,703,060.22/x
  3. Step 3: Cross multiply
    13,505,608.62x = 18,639,514.80 × 7,703,060.22
  4. Step 4: Simplify right side
    13,505,608.62x = 143,581,304,975,981.25
  5. Step 5: Solve for x
    x = 143,581,304,975,981.25/13,505,608.62
  6. Step 6: Final answer
    x = 10,631,235.44

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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.