Home / 20,794,275.56-28,694,174.48-11,501,645.64

Finding the Fourth Proportional to 20,794,275.56, 28,694,174.48 and 11,501,645.64

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Solution

The fourth proportional to 20,794,275.56, 28,694,174.48 and 11,501,645.64 is: 15,871,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,275.56 : 28,694,174.48 = 11,501,645.64 : x
  2. Step 2: Convert to fraction form
    20,794,275.56/28,694,174.48 = 11,501,645.64/x
  3. Step 3: Cross multiply
    20,794,275.56x = 28,694,174.48 × 11,501,645.64
  4. Step 4: Simplify right side
    20,794,275.56x = 330,030,226,801,291.31
  5. Step 5: Solve for x
    x = 330,030,226,801,291.31/20,794,275.56
  6. Step 6: Final answer
    x = 15,871,205.80

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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.