Home / 20,488,602.24-28,274,261.76-11,321,164.80

Finding the Fourth Proportional to 20,488,602.24, 28,274,261.76 and 11,321,164.80

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Solution

The fourth proportional to 20,488,602.24, 28,274,261.76 and 11,321,164.80 is: 15,623,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488,602.24 : 28,274,261.76 = 11,321,164.80 : x
  2. Step 2: Convert to fraction form
    20,488,602.24/28,274,261.76 = 11,321,164.80/x
  3. Step 3: Cross multiply
    20,488,602.24x = 28,274,261.76 × 11,321,164.80
  4. Step 4: Simplify right side
    20,488,602.24x = 320,097,576,983,298.06
  5. Step 5: Solve for x
    x = 320,097,576,983,298.06/20,488,602.24
  6. Step 6: Final answer
    x = 15,623,202.27

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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.