Home / 12,826,983,635.66-17,694,947,187.51-11,131,057,973.81

Finding the Fourth Proportional to 12,826,983,635.66, 17,694,947,187.51 and 11,131,057,973.81

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Solution

The fourth proportional to 12,826,983,635.66, 17,694,947,187.51 and 11,131,057,973.81 is: 15,355,401,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,983,635.66 : 17,694,947,187.51 = 11,131,057,973.81 : x
  2. Step 2: Convert to fraction form
    12,826,983,635.66/17,694,947,187.51 = 11,131,057,973.81/x
  3. Step 3: Cross multiply
    12,826,983,635.66x = 17,694,947,187.51 × 11,131,057,973.81
  4. Step 4: Simplify right side
    12,826,983,635.66x = 196,963,482,987,680,006,144
  5. Step 5: Solve for x
    x = 196,963,482,987,680,006,144/12,826,983,635.66
  6. Step 6: Final answer
    x = 15,355,401,439.83

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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.