Home / 20,363,776.68-28,100,971.26-11,194,647.96

Finding the Fourth Proportional to 20,363,776.68, 28,100,971.26 and 11,194,647.96

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Solution

The fourth proportional to 20,363,776.68, 28,100,971.26 and 11,194,647.96 is: 15,448,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363,776.68 : 28,100,971.26 = 11,194,647.96 : x
  2. Step 2: Convert to fraction form
    20,363,776.68/28,100,971.26 = 11,194,647.96/x
  3. Step 3: Cross multiply
    20,363,776.68x = 28,100,971.26 × 11,194,647.96
  4. Step 4: Simplify right side
    20,363,776.68x = 314,580,480,589,777.69
  5. Step 5: Solve for x
    x = 314,580,480,589,777.69/20,363,776.68
  6. Step 6: Final answer
    x = 15,448,042.16

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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.