Home / 13,398,997.43-20,100,489.02-6,211,257.91

Finding the Fourth Proportional to 13,398,997.43, 20,100,489.02 and 6,211,257.91

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Solution

The fourth proportional to 13,398,997.43, 20,100,489.02 and 6,211,257.91 is: 9,317,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,997.43 : 20,100,489.02 = 6,211,257.91 : x
  2. Step 2: Convert to fraction form
    13,398,997.43/20,100,489.02 = 6,211,257.91/x
  3. Step 3: Cross multiply
    13,398,997.43x = 20,100,489.02 × 6,211,257.91
  4. Step 4: Simplify right side
    13,398,997.43x = 124,849,321,420,343.14
  5. Step 5: Solve for x
    x = 124,849,321,420,343.14/13,398,997.43
  6. Step 6: Final answer
    x = 9,317,810.68

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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.