Home / 20,340,571.24-28,070,194.50-11,048,322.28

Finding the Fourth Proportional to 20,340,571.24, 28,070,194.50 and 11,048,322.28

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Solution

The fourth proportional to 20,340,571.24, 28,070,194.50 and 11,048,322.28 is: 15,246,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,340,571.24 : 28,070,194.50 = 11,048,322.28 : x
  2. Step 2: Convert to fraction form
    20,340,571.24/28,070,194.50 = 11,048,322.28/x
  3. Step 3: Cross multiply
    20,340,571.24x = 28,070,194.50 × 11,048,322.28
  4. Step 4: Simplify right side
    20,340,571.24x = 310,128,555,298,283.44
  5. Step 5: Solve for x
    x = 310,128,555,298,283.44/20,340,571.24
  6. Step 6: Final answer
    x = 15,246,796.74

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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.