Home / 15,124,269,751.92-20,873,322,452.40-8,607,945,432.53

Finding the Fourth Proportional to 15,124,269,751.92, 20,873,322,452.40 and 8,607,945,432.53

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Solution

The fourth proportional to 15,124,269,751.92, 20,873,322,452.40 and 8,607,945,432.53 is: 11,880,006,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,751.92 : 20,873,322,452.40 = 8,607,945,432.53 : x
  2. Step 2: Convert to fraction form
    15,124,269,751.92/20,873,322,452.40 = 8,607,945,432.53/x
  3. Step 3: Cross multiply
    15,124,269,751.92x = 20,873,322,452.40 × 8,607,945,432.53
  4. Step 4: Simplify right side
    15,124,269,751.92x = 179,676,420,665,758,121,984
  5. Step 5: Solve for x
    x = 179,676,420,665,758,121,984/15,124,269,751.92
  6. Step 6: Final answer
    x = 11,880,006,348.27

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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.