Home / 15,124,269,379.08-20,873,321,939.62-8,607,945,060.86

Finding the Fourth Proportional to 15,124,269,379.08, 20,873,321,939.62 and 8,607,945,060.86

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Solution

The fourth proportional to 15,124,269,379.08, 20,873,321,939.62 and 8,607,945,060.86 is: 11,880,005,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,379.08 : 20,873,321,939.62 = 8,607,945,060.86 : x
  2. Step 2: Convert to fraction form
    15,124,269,379.08/20,873,321,939.62 = 8,607,945,060.86/x
  3. Step 3: Cross multiply
    15,124,269,379.08x = 20,873,321,939.62 × 8,607,945,060.86
  4. Step 4: Simplify right side
    15,124,269,379.08x = 179,676,408,493,892,665,344
  5. Step 5: Solve for x
    x = 179,676,408,493,892,665,344/15,124,269,379.08
  6. Step 6: Final answer
    x = 11,880,005,836.34

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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.