Home / 15,124,269,752.92-20,873,322,453.78-8,607,945,433.53

Finding the Fourth Proportional to 15,124,269,752.92, 20,873,322,453.78 and 8,607,945,433.53

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Solution

The fourth proportional to 15,124,269,752.92, 20,873,322,453.78 and 8,607,945,433.53 is: 11,880,006,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,752.92 : 20,873,322,453.78 = 8,607,945,433.53 : x
  2. Step 2: Convert to fraction form
    15,124,269,752.92/20,873,322,453.78 = 8,607,945,433.53/x
  3. Step 3: Cross multiply
    15,124,269,752.92x = 20,873,322,453.78 × 8,607,945,433.53
  4. Step 4: Simplify right side
    15,124,269,752.92x = 179,676,420,698,614,759,424
  5. Step 5: Solve for x
    x = 179,676,420,698,614,759,424/15,124,269,752.92
  6. Step 6: Final answer
    x = 11,880,006,349.66

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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.