Home / 18,493,321.54-25,499,899.12-13,832,168.74

Finding the Fourth Proportional to 18,493,321.54, 25,499,899.12 and 13,832,168.74

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Solution

The fourth proportional to 18,493,321.54, 25,499,899.12 and 13,832,168.74 is: 19,072,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493,321.54 : 25,499,899.12 = 13,832,168.74 : x
  2. Step 2: Convert to fraction form
    18,493,321.54/25,499,899.12 = 13,832,168.74/x
  3. Step 3: Cross multiply
    18,493,321.54x = 25,499,899.12 × 13,832,168.74
  4. Step 4: Simplify right side
    18,493,321.54x = 352,718,907,480,128.44
  5. Step 5: Solve for x
    x = 352,718,907,480,128.44/18,493,321.54
  6. Step 6: Final answer
    x = 19,072,772.12

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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.