Home / 20,378,732.06-30,568,409.14-5,232,328.22

Finding the Fourth Proportional to 20,378,732.06, 30,568,409.14 and 5,232,328.22

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Solution

The fourth proportional to 20,378,732.06, 30,568,409.14 and 5,232,328.22 is: 7,848,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,378,732.06 : 30,568,409.14 = 5,232,328.22 : x
  2. Step 2: Convert to fraction form
    20,378,732.06/30,568,409.14 = 5,232,328.22/x
  3. Step 3: Cross multiply
    20,378,732.06x = 30,568,409.14 × 5,232,328.22
  4. Step 4: Simplify right side
    20,378,732.06x = 159,943,949,783,727.94
  5. Step 5: Solve for x
    x = 159,943,949,783,727.94/20,378,732.06
  6. Step 6: Final answer
    x = 7,848,572.19

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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.