Home / 13,579,232.76-18,738,967.41-7,467,661.26

Finding the Fourth Proportional to 13,579,232.76, 18,738,967.41 and 7,467,661.26

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Solution

The fourth proportional to 13,579,232.76, 18,738,967.41 and 7,467,661.26 is: 10,305,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,232.76 : 18,738,967.41 = 7,467,661.26 : x
  2. Step 2: Convert to fraction form
    13,579,232.76/18,738,967.41 = 7,467,661.26/x
  3. Step 3: Cross multiply
    13,579,232.76x = 18,738,967.41 × 7,467,661.26
  4. Step 4: Simplify right side
    13,579,232.76x = 139,936,260,980,059.53
  5. Step 5: Solve for x
    x = 139,936,260,980,059.53/13,579,232.76
  6. Step 6: Final answer
    x = 10,305,166.97

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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.