Home / 20,047,231.38-27,665,193.69-10,879,874.13

Finding the Fourth Proportional to 20,047,231.38, 27,665,193.69 and 10,879,874.13

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Solution

The fourth proportional to 20,047,231.38, 27,665,193.69 and 10,879,874.13 is: 15,014,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047,231.38 : 27,665,193.69 = 10,879,874.13 : x
  2. Step 2: Convert to fraction form
    20,047,231.38/27,665,193.69 = 10,879,874.13/x
  3. Step 3: Cross multiply
    20,047,231.38x = 27,665,193.69 × 10,879,874.13
  4. Step 4: Simplify right side
    20,047,231.38x = 300,993,825,129,270.25
  5. Step 5: Solve for x
    x = 300,993,825,129,270.25/20,047,231.38
  6. Step 6: Final answer
    x = 15,014,234.11

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1.5x scale

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.