Home / 8,765,910.31-13,151,817.89-5,523,682.81

Finding the Fourth Proportional to 8,765,910.31, 13,151,817.89 and 5,523,682.81

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Solution

The fourth proportional to 8,765,910.31, 13,151,817.89 and 5,523,682.81 is: 8,287,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765,910.31 : 13,151,817.89 = 5,523,682.81 : x
  2. Step 2: Convert to fraction form
    8,765,910.31/13,151,817.89 = 5,523,682.81/x
  3. Step 3: Cross multiply
    8,765,910.31x = 13,151,817.89 × 5,523,682.81
  4. Step 4: Simplify right side
    8,765,910.31x = 72,646,470,305,865.97
  5. Step 5: Solve for x
    x = 72,646,470,305,865.97/8,765,910.31
  6. Step 6: Final answer
    x = 8,287,384.63

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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.