Home / 13,183,933.69-18,193,825.86-7,303,949.96

Finding the Fourth Proportional to 13,183,933.69, 18,193,825.86 and 7,303,949.96

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Solution

The fourth proportional to 13,183,933.69, 18,193,825.86 and 7,303,949.96 is: 10,079,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,933.69 : 18,193,825.86 = 7,303,949.96 : x
  2. Step 2: Convert to fraction form
    13,183,933.69/18,193,825.86 = 7,303,949.96/x
  3. Step 3: Cross multiply
    13,183,933.69x = 18,193,825.86 × 7,303,949.96
  4. Step 4: Simplify right side
    13,183,933.69x = 132,886,793,666,921.31
  5. Step 5: Solve for x
    x = 132,886,793,666,921.31/13,183,933.69
  6. Step 6: Final answer
    x = 10,079,449.49

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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.