Home / 11,869,735.55-17,776,702.06-5,785,400.09

Finding the Fourth Proportional to 11,869,735.55, 17,776,702.06 and 5,785,400.09

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Solution

The fourth proportional to 11,869,735.55, 17,776,702.06 and 5,785,400.09 is: 8,664,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,735.55 : 17,776,702.06 = 5,785,400.09 : x
  2. Step 2: Convert to fraction form
    11,869,735.55/17,776,702.06 = 5,785,400.09/x
  3. Step 3: Cross multiply
    11,869,735.55x = 17,776,702.06 × 5,785,400.09
  4. Step 4: Simplify right side
    11,869,735.55x = 102,845,333,727,805.45
  5. Step 5: Solve for x
    x = 102,845,333,727,805.45/11,869,735.55
  6. Step 6: Final answer
    x = 8,664,500.85

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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.