Home / 20,662,266.24-28,514,185.38-11,370,905.28

Finding the Fourth Proportional to 20,662,266.24, 28,514,185.38 and 11,370,905.28

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Solution

The fourth proportional to 20,662,266.24, 28,514,185.38 and 11,370,905.28 is: 15,691,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662,266.24 : 28,514,185.38 = 11,370,905.28 : x
  2. Step 2: Convert to fraction form
    20,662,266.24/28,514,185.38 = 11,370,905.28/x
  3. Step 3: Cross multiply
    20,662,266.24x = 28,514,185.38 × 11,370,905.28
  4. Step 4: Simplify right side
    20,662,266.24x = 324,232,101,092,340.75
  5. Step 5: Solve for x
    x = 324,232,101,092,340.75/20,662,266.24
  6. Step 6: Final answer
    x = 15,691,991.25

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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.