Home / 15,124,269,376.82-20,873,321,936.53-8,607,945,058.60

Finding the Fourth Proportional to 15,124,269,376.82, 20,873,321,936.53 and 8,607,945,058.60

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Solution

The fourth proportional to 15,124,269,376.82, 20,873,321,936.53 and 8,607,945,058.60 is: 11,880,005,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,376.82 : 20,873,321,936.53 = 8,607,945,058.60 : x
  2. Step 2: Convert to fraction form
    15,124,269,376.82/20,873,321,936.53 = 8,607,945,058.60/x
  3. Step 3: Cross multiply
    15,124,269,376.82x = 20,873,321,936.53 × 8,607,945,058.60
  4. Step 4: Simplify right side
    15,124,269,376.82x = 179,676,408,420,120,395,776
  5. Step 5: Solve for x
    x = 179,676,408,420,120,395,776/15,124,269,376.82
  6. Step 6: Final answer
    x = 11,880,005,833.24

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Double scale
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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.