Home / 20,794,113.90-28,695,747.96-11,501,517.51

Finding the Fourth Proportional to 20,794,113.90, 28,695,747.96 and 11,501,517.51

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Solution

The fourth proportional to 20,794,113.90, 28,695,747.96 and 11,501,517.51 is: 15,872,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,113.90 : 28,695,747.96 = 11,501,517.51 : x
  2. Step 2: Convert to fraction form
    20,794,113.90/28,695,747.96 = 11,501,517.51/x
  3. Step 3: Cross multiply
    20,794,113.90x = 28,695,747.96 × 11,501,517.51
  4. Step 4: Simplify right side
    20,794,113.90x = 330,044,647,624,486.81
  5. Step 5: Solve for x
    x = 330,044,647,624,486.81/20,794,113.90
  6. Step 6: Final answer
    x = 15,872,022.69

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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.