Home / 12,685,107.40-17,505,459.34-6,883,889

Finding the Fourth Proportional to 12,685,107.40, 17,505,459.34 and 6,883,889

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Solution

The fourth proportional to 12,685,107.40, 17,505,459.34 and 6,883,889 is: 9,499,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,107.40 : 17,505,459.34 = 6,883,889 : x
  2. Step 2: Convert to fraction form
    12,685,107.40/17,505,459.34 = 6,883,889/x
  3. Step 3: Cross multiply
    12,685,107.40x = 17,505,459.34 × 6,883,889
  4. Step 4: Simplify right side
    12,685,107.40x = 120,505,638,990,573.27
  5. Step 5: Solve for x
    x = 120,505,638,990,573.27/12,685,107.40
  6. Step 6: Final answer
    x = 9,499,772.86

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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.