Home / 13,512,694.28-18,647,528.16-7,317,789.08

Finding the Fourth Proportional to 13,512,694.28, 18,647,528.16 and 7,317,789.08

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Solution

The fourth proportional to 13,512,694.28, 18,647,528.16 and 7,317,789.08 is: 10,098,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,694.28 : 18,647,528.16 = 7,317,789.08 : x
  2. Step 2: Convert to fraction form
    13,512,694.28/18,647,528.16 = 7,317,789.08/x
  3. Step 3: Cross multiply
    13,512,694.28x = 18,647,528.16 × 7,317,789.08
  4. Step 4: Simplify right side
    13,512,694.28x = 136,458,677,938,240.50
  5. Step 5: Solve for x
    x = 136,458,677,938,240.50/13,512,694.28
  6. Step 6: Final answer
    x = 10,098,554.37

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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.