Home / 36,536,510.79-50,420,367.41-21,852,176.78

Finding the Fourth Proportional to 36,536,510.79, 50,420,367.41 and 21,852,176.78

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Solution

The fourth proportional to 36,536,510.79, 50,420,367.41 and 21,852,176.78 is: 30,155,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,536,510.79 : 50,420,367.41 = 21,852,176.78 : x
  2. Step 2: Convert to fraction form
    36,536,510.79/50,420,367.41 = 21,852,176.78/x
  3. Step 3: Cross multiply
    36,536,510.79x = 50,420,367.41 × 21,852,176.78
  4. Step 4: Simplify right side
    36,536,510.79x = 1,101,794,781,972,660.75
  5. Step 5: Solve for x
    x = 1,101,794,781,972,660.75/36,536,510.79
  6. Step 6: Final answer
    x = 30,155,993.50

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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.