Home / 20,743,732-28,625,599.74-11,451,102.52

Finding the Fourth Proportional to 20,743,732, 28,625,599.74 and 11,451,102.52

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Solution

The fourth proportional to 20,743,732, 28,625,599.74 and 11,451,102.52 is: 15,802,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,732 : 28,625,599.74 = 11,451,102.52 : x
  2. Step 2: Convert to fraction form
    20,743,732/28,625,599.74 = 11,451,102.52/x
  3. Step 3: Cross multiply
    20,743,732x = 28,625,599.74 × 11,451,102.52
  4. Step 4: Simplify right side
    20,743,732x = 327,794,677,319,225.31
  5. Step 5: Solve for x
    x = 327,794,677,319,225.31/20,743,732
  6. Step 6: Final answer
    x = 15,802,107.23

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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.