Home / 13,005,851.44-17,947,839.90-7,204,615.24

Finding the Fourth Proportional to 13,005,851.44, 17,947,839.90 and 7,204,615.24

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Solution

The fourth proportional to 13,005,851.44, 17,947,839.90 and 7,204,615.24 is: 9,942,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,851.44 : 17,947,839.90 = 7,204,615.24 : x
  2. Step 2: Convert to fraction form
    13,005,851.44/17,947,839.90 = 7,204,615.24/x
  3. Step 3: Cross multiply
    13,005,851.44x = 17,947,839.90 × 7,204,615.24
  4. Step 4: Simplify right side
    13,005,851.44x = 129,307,280,868,620.06
  5. Step 5: Solve for x
    x = 129,307,280,868,620.06/13,005,851.44
  6. Step 6: Final answer
    x = 9,942,238.80

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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.