Home / 36,839,889.45-50,838,156.56-20,319,659.12

Finding the Fourth Proportional to 36,839,889.45, 50,838,156.56 and 20,319,659.12

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Solution

The fourth proportional to 36,839,889.45, 50,838,156.56 and 20,319,659.12 is: 28,040,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,839,889.45 : 50,838,156.56 = 20,319,659.12 : x
  2. Step 2: Convert to fraction form
    36,839,889.45/50,838,156.56 = 20,319,659.12/x
  3. Step 3: Cross multiply
    36,839,889.45x = 50,838,156.56 × 20,319,659.12
  4. Step 4: Simplify right side
    36,839,889.45x = 1,033,014,011,766,286.25
  5. Step 5: Solve for x
    x = 1,033,014,011,766,286.25/36,839,889.45
  6. Step 6: Final answer
    x = 28,040,638.21

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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.