Home / 20,504,498.30-28,295,896.74-11,212,098.02

Finding the Fourth Proportional to 20,504,498.30, 28,295,896.74 and 11,212,098.02

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Solution

The fourth proportional to 20,504,498.30, 28,295,896.74 and 11,212,098.02 is: 15,472,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504,498.30 : 28,295,896.74 = 11,212,098.02 : x
  2. Step 2: Convert to fraction form
    20,504,498.30/28,295,896.74 = 11,212,098.02/x
  3. Step 3: Cross multiply
    20,504,498.30x = 28,295,896.74 × 11,212,098.02
  4. Step 4: Simplify right side
    20,504,498.30x = 317,256,367,812,678.44
  5. Step 5: Solve for x
    x = 317,256,367,812,678.44/20,504,498.30
  6. Step 6: Final answer
    x = 15,472,525.26

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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.