Home / 15,124,269,752.42-20,873,322,453.09-8,607,945,433.03

Finding the Fourth Proportional to 15,124,269,752.42, 20,873,322,453.09 and 8,607,945,433.03

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Solution

The fourth proportional to 15,124,269,752.42, 20,873,322,453.09 and 8,607,945,433.03 is: 11,880,006,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,752.42 : 20,873,322,453.09 = 8,607,945,433.03 : x
  2. Step 2: Convert to fraction form
    15,124,269,752.42/20,873,322,453.09 = 8,607,945,433.03/x
  3. Step 3: Cross multiply
    15,124,269,752.42x = 20,873,322,453.09 × 8,607,945,433.03
  4. Step 4: Simplify right side
    15,124,269,752.42x = 179,676,420,682,238,623,744
  5. Step 5: Solve for x
    x = 179,676,420,682,238,623,744/15,124,269,752.42
  6. Step 6: Final answer
    x = 11,880,006,348.97

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1.5x scale

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.