Home / 12,515,135.04-17,271,131.04-8,167,003.20

Finding the Fourth Proportional to 12,515,135.04, 17,271,131.04 and 8,167,003.20

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Solution

The fourth proportional to 12,515,135.04, 17,271,131.04 and 8,167,003.20 is: 11,270,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,135.04 : 17,271,131.04 = 8,167,003.20 : x
  2. Step 2: Convert to fraction form
    12,515,135.04/17,271,131.04 = 8,167,003.20/x
  3. Step 3: Cross multiply
    12,515,135.04x = 17,271,131.04 × 8,167,003.20
  4. Step 4: Simplify right side
    12,515,135.04x = 141,053,382,471,299.31
  5. Step 5: Solve for x
    x = 141,053,382,471,299.31/12,515,135.04
  6. Step 6: Final answer
    x = 11,270,624.09

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1.5x scale

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.