Home / 13,824,108.90-20,736,163.35-8,449,337.70

Finding the Fourth Proportional to 13,824,108.90, 20,736,163.35 and 8,449,337.70

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Solution

The fourth proportional to 13,824,108.90, 20,736,163.35 and 8,449,337.70 is: 12,674,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,108.90 : 20,736,163.35 = 8,449,337.70 : x
  2. Step 2: Convert to fraction form
    13,824,108.90/20,736,163.35 = 8,449,337.70/x
  3. Step 3: Cross multiply
    13,824,108.90x = 20,736,163.35 × 8,449,337.70
  4. Step 4: Simplify right side
    13,824,108.90x = 175,206,846,746,513.28
  5. Step 5: Solve for x
    x = 175,206,846,746,513.28/13,824,108.90
  6. Step 6: Final answer
    x = 12,674,006.55

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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.