Home / 31,865,380.37-47,797,997.62-13,657,769.45

Finding the Fourth Proportional to 31,865,380.37, 47,797,997.62 and 13,657,769.45

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Solution

The fourth proportional to 31,865,380.37, 47,797,997.62 and 13,657,769.45 is: 20,486,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865,380.37 : 47,797,997.62 = 13,657,769.45 : x
  2. Step 2: Convert to fraction form
    31,865,380.37/47,797,997.62 = 13,657,769.45/x
  3. Step 3: Cross multiply
    31,865,380.37x = 47,797,997.62 × 13,657,769.45
  4. Step 4: Simplify right side
    31,865,380.37x = 652,814,031,665,608.62
  5. Step 5: Solve for x
    x = 652,814,031,665,608.62/31,865,380.37
  6. Step 6: Final answer
    x = 20,486,622.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.