Home / 20,019,047.70-27,626,078.79-11,198,384.22

Finding the Fourth Proportional to 20,019,047.70, 27,626,078.79 and 11,198,384.22

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Solution

The fourth proportional to 20,019,047.70, 27,626,078.79 and 11,198,384.22 is: 15,453,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,047.70 : 27,626,078.79 = 11,198,384.22 : x
  2. Step 2: Convert to fraction form
    20,019,047.70/27,626,078.79 = 11,198,384.22/x
  3. Step 3: Cross multiply
    20,019,047.70x = 27,626,078.79 × 11,198,384.22
  4. Step 4: Simplify right side
    20,019,047.70x = 309,367,444,782,412.69
  5. Step 5: Solve for x
    x = 309,367,444,782,412.69/20,019,047.70
  6. Step 6: Final answer
    x = 15,453,654.41

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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.