Home / 12,515,136.54-17,271,133.11-8,167,004.70

Finding the Fourth Proportional to 12,515,136.54, 17,271,133.11 and 8,167,004.70

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Solution

The fourth proportional to 12,515,136.54, 17,271,133.11 and 8,167,004.70 is: 11,270,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,136.54 : 17,271,133.11 = 8,167,004.70 : x
  2. Step 2: Convert to fraction form
    12,515,136.54/17,271,133.11 = 8,167,004.70/x
  3. Step 3: Cross multiply
    12,515,136.54x = 17,271,133.11 × 8,167,004.70
  4. Step 4: Simplify right side
    12,515,136.54x = 141,053,425,283,695.62
  5. Step 5: Solve for x
    x = 141,053,425,283,695.62/12,515,136.54
  6. Step 6: Final answer
    x = 11,270,626.16

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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.