Home / 12,250,169.79-16,905,234.32-6,818,944.83

Finding the Fourth Proportional to 12,250,169.79, 16,905,234.32 and 6,818,944.83

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Solution

The fourth proportional to 12,250,169.79, 16,905,234.32 and 6,818,944.83 is: 9,410,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,169.79 : 16,905,234.32 = 6,818,944.83 : x
  2. Step 2: Convert to fraction form
    12,250,169.79/16,905,234.32 = 6,818,944.83/x
  3. Step 3: Cross multiply
    12,250,169.79x = 16,905,234.32 × 6,818,944.83
  4. Step 4: Simplify right side
    12,250,169.79x = 115,275,860,161,105.09
  5. Step 5: Solve for x
    x = 115,275,860,161,105.09/12,250,169.79
  6. Step 6: Final answer
    x = 9,410,143.87

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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.