Home / 20,419,483.68-28,179,076.44-11,252,454.48

Finding the Fourth Proportional to 20,419,483.68, 28,179,076.44 and 11,252,454.48

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Solution

The fourth proportional to 20,419,483.68, 28,179,076.44 and 11,252,454.48 is: 15,528,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419,483.68 : 28,179,076.44 = 11,252,454.48 : x
  2. Step 2: Convert to fraction form
    20,419,483.68/28,179,076.44 = 11,252,454.48/x
  3. Step 3: Cross multiply
    20,419,483.68x = 28,179,076.44 × 11,252,454.48
  4. Step 4: Simplify right side
    20,419,483.68x = 317,083,774,929,540.50
  5. Step 5: Solve for x
    x = 317,083,774,929,540.50/20,419,483.68
  6. Step 6: Final answer
    x = 15,528,491.31

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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.