Home / 13,555,078.64-20,333,328.08-10,321,687.60

Finding the Fourth Proportional to 13,555,078.64, 20,333,328.08 and 10,321,687.60

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Solution

The fourth proportional to 13,555,078.64, 20,333,328.08 and 10,321,687.60 is: 15,483,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,078.64 : 20,333,328.08 = 10,321,687.60 : x
  2. Step 2: Convert to fraction form
    13,555,078.64/20,333,328.08 = 10,321,687.60/x
  3. Step 3: Cross multiply
    13,555,078.64x = 20,333,328.08 × 10,321,687.60
  4. Step 4: Simplify right side
    13,555,078.64x = 209,874,260,310,067.78
  5. Step 5: Solve for x
    x = 209,874,260,310,067.78/13,555,078.64
  6. Step 6: Final answer
    x = 15,483,072.13

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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.