Home / 12,826,983,636.66-17,694,947,188.89-11,131,057,974.81

Finding the Fourth Proportional to 12,826,983,636.66, 17,694,947,188.89 and 11,131,057,974.81

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Solution

The fourth proportional to 12,826,983,636.66, 17,694,947,188.89 and 11,131,057,974.81 is: 15,355,401,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,983,636.66 : 17,694,947,188.89 = 11,131,057,974.81 : x
  2. Step 2: Convert to fraction form
    12,826,983,636.66/17,694,947,188.89 = 11,131,057,974.81/x
  3. Step 3: Cross multiply
    12,826,983,636.66x = 17,694,947,188.89 × 11,131,057,974.81
  4. Step 4: Simplify right side
    12,826,983,636.66x = 196,963,483,020,735,807,488
  5. Step 5: Solve for x
    x = 196,963,483,020,735,807,488/12,826,983,636.66
  6. Step 6: Final answer
    x = 15,355,401,441.21

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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.