Home / 11,910,040.70-17,865,171.60-3,390,376.86

Finding the Fourth Proportional to 11,910,040.70, 17,865,171.60 and 3,390,376.86

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Solution

The fourth proportional to 11,910,040.70, 17,865,171.60 and 3,390,376.86 is: 5,085,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910,040.70 : 17,865,171.60 = 3,390,376.86 : x
  2. Step 2: Convert to fraction form
    11,910,040.70/17,865,171.60 = 3,390,376.86/x
  3. Step 3: Cross multiply
    11,910,040.70x = 17,865,171.60 × 3,390,376.86
  4. Step 4: Simplify right side
    11,910,040.70x = 60,569,664,392,569.18
  5. Step 5: Solve for x
    x = 60,569,664,392,569.18/11,910,040.70
  6. Step 6: Final answer
    x = 5,085,596.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.