Home / 20,615,236.98-28,449,078.03-11,447,879.46

Finding the Fourth Proportional to 20,615,236.98, 28,449,078.03 and 11,447,879.46

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Solution

The fourth proportional to 20,615,236.98, 28,449,078.03 and 11,447,879.46 is: 15,798,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,236.98 : 28,449,078.03 = 11,447,879.46 : x
  2. Step 2: Convert to fraction form
    20,615,236.98/28,449,078.03 = 11,447,879.46/x
  3. Step 3: Cross multiply
    20,615,236.98x = 28,449,078.03 × 11,447,879.46
  4. Step 4: Simplify right side
    20,615,236.98x = 325,681,616,035,574.31
  5. Step 5: Solve for x
    x = 325,681,616,035,574.31/20,615,236.98
  6. Step 6: Final answer
    x = 15,798,101.97

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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.