Home / 20,794,276.80-28,694,176.22-11,501,646.88

Finding the Fourth Proportional to 20,794,276.80, 28,694,176.22 and 11,501,646.88

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Solution

The fourth proportional to 20,794,276.80, 28,694,176.22 and 11,501,646.88 is: 15,871,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,276.80 : 28,694,176.22 = 11,501,646.88 : x
  2. Step 2: Convert to fraction form
    20,794,276.80/28,694,176.22 = 11,501,646.88/x
  3. Step 3: Cross multiply
    20,794,276.80x = 28,694,176.22 × 11,501,646.88
  4. Step 4: Simplify right side
    20,794,276.80x = 330,030,282,394,933.19
  5. Step 5: Solve for x
    x = 330,030,282,394,933.19/20,794,276.80
  6. Step 6: Final answer
    x = 15,871,207.52

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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.