Home / 20,019,012.08-27,626,029.63-11,198,348.60

Finding the Fourth Proportional to 20,019,012.08, 27,626,029.63 and 11,198,348.60

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Solution

The fourth proportional to 20,019,012.08, 27,626,029.63 and 11,198,348.60 is: 15,453,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,012.08 : 27,626,029.63 = 11,198,348.60 : x
  2. Step 2: Convert to fraction form
    20,019,012.08/27,626,029.63 = 11,198,348.60/x
  3. Step 3: Cross multiply
    20,019,012.08x = 27,626,029.63 × 11,198,348.60
  4. Step 4: Simplify right side
    20,019,012.08x = 309,365,910,230,669
  5. Step 5: Solve for x
    x = 309,365,910,230,669/20,019,012.08
  6. Step 6: Final answer
    x = 15,453,605.25

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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.