Home / 12,060,380.32-16,635,853.92-7,930,883.68

Finding the Fourth Proportional to 12,060,380.32, 16,635,853.92 and 7,930,883.68

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Solution

The fourth proportional to 12,060,380.32, 16,635,853.92 and 7,930,883.68 is: 10,939,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060,380.32 : 16,635,853.92 = 7,930,883.68 : x
  2. Step 2: Convert to fraction form
    12,060,380.32/16,635,853.92 = 7,930,883.68/x
  3. Step 3: Cross multiply
    12,060,380.32x = 16,635,853.92 × 7,930,883.68
  4. Step 4: Simplify right side
    12,060,380.32x = 131,937,022,356,992.02
  5. Step 5: Solve for x
    x = 131,937,022,356,992.02/12,060,380.32
  6. Step 6: Final answer
    x = 10,939,706.61

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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.