Home / 10,965,079.20-16,380,978.26-7,095,376.74

Finding the Fourth Proportional to 10,965,079.20, 16,380,978.26 and 7,095,376.74

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Solution

The fourth proportional to 10,965,079.20, 16,380,978.26 and 7,095,376.74 is: 10,599,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965,079.20 : 16,380,978.26 = 7,095,376.74 : x
  2. Step 2: Convert to fraction form
    10,965,079.20/16,380,978.26 = 7,095,376.74/x
  3. Step 3: Cross multiply
    10,965,079.20x = 16,380,978.26 × 7,095,376.74
  4. Step 4: Simplify right side
    10,965,079.20x = 116,229,212,088,972.80
  5. Step 5: Solve for x
    x = 116,229,212,088,972.80/10,965,079.20
  6. Step 6: Final answer
    x = 10,599,942.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.