Home / 13,183,932.80-18,193,824.63-7,303,949.07

Finding the Fourth Proportional to 13,183,932.80, 18,193,824.63 and 7,303,949.07

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Solution

The fourth proportional to 13,183,932.80, 18,193,824.63 and 7,303,949.07 is: 10,079,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,932.80 : 18,193,824.63 = 7,303,949.07 : x
  2. Step 2: Convert to fraction form
    13,183,932.80/18,193,824.63 = 7,303,949.07/x
  3. Step 3: Cross multiply
    13,183,932.80x = 18,193,824.63 × 7,303,949.07
  4. Step 4: Simplify right side
    13,183,932.80x = 132,886,768,486,031.59
  5. Step 5: Solve for x
    x = 132,886,768,486,031.59/13,183,932.80
  6. Step 6: Final answer
    x = 10,079,448.26

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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.