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Finding the Fourth Proportional to 37,321,549.44, 51,503,978.69 and 20,802,722.91

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Solution

The fourth proportional to 37,321,549.44, 51,503,978.69 and 20,802,722.91 is: 28,707,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321,549.44 : 51,503,978.69 = 20,802,722.91 : x
  2. Step 2: Convert to fraction form
    37,321,549.44/51,503,978.69 = 20,802,722.91/x
  3. Step 3: Cross multiply
    37,321,549.44x = 51,503,978.69 × 20,802,722.91
  4. Step 4: Simplify right side
    37,321,549.44x = 1,071,422,997,346,601.25
  5. Step 5: Solve for x
    x = 1,071,422,997,346,601.25/37,321,549.44
  6. Step 6: Final answer
    x = 28,707,891.64

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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.