Home / 13,438,379.43-18,544,429.36-7,933,527.53

Finding the Fourth Proportional to 13,438,379.43, 18,544,429.36 and 7,933,527.53

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Solution

The fourth proportional to 13,438,379.43, 18,544,429.36 and 7,933,527.53 is: 10,947,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,379.43 : 18,544,429.36 = 7,933,527.53 : x
  2. Step 2: Convert to fraction form
    13,438,379.43/18,544,429.36 = 7,933,527.53/x
  3. Step 3: Cross multiply
    13,438,379.43x = 18,544,429.36 × 7,933,527.53
  4. Step 4: Simplify right side
    13,438,379.43x = 147,122,740,842,436.62
  5. Step 5: Solve for x
    x = 147,122,740,842,436.62/13,438,379.43
  6. Step 6: Final answer
    x = 10,947,952.59

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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.