Home / 20,256,789.48-27,954,370.84-11,089,432.23

Finding the Fourth Proportional to 20,256,789.48, 27,954,370.84 and 11,089,432.23

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Solution

The fourth proportional to 20,256,789.48, 27,954,370.84 and 11,089,432.23 is: 15,303,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256,789.48 : 27,954,370.84 = 11,089,432.23 : x
  2. Step 2: Convert to fraction form
    20,256,789.48/27,954,370.84 = 11,089,432.23/x
  3. Step 3: Cross multiply
    20,256,789.48x = 27,954,370.84 × 11,089,432.23
  4. Step 4: Simplify right side
    20,256,789.48x = 309,998,100,822,696.31
  5. Step 5: Solve for x
    x = 309,998,100,822,696.31/20,256,789.48
  6. Step 6: Final answer
    x = 15,303,417.22

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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.