Home / 13,167,151.22-18,170,695.35-7,366,029.83

Finding the Fourth Proportional to 13,167,151.22, 18,170,695.35 and 7,366,029.83

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Solution

The fourth proportional to 13,167,151.22, 18,170,695.35 and 7,366,029.83 is: 10,165,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,151.22 : 18,170,695.35 = 7,366,029.83 : x
  2. Step 2: Convert to fraction form
    13,167,151.22/18,170,695.35 = 7,366,029.83/x
  3. Step 3: Cross multiply
    13,167,151.22x = 18,170,695.35 × 7,366,029.83
  4. Step 4: Simplify right side
    13,167,151.22x = 133,845,884,025,369.03
  5. Step 5: Solve for x
    x = 133,845,884,025,369.03/13,167,151.22
  6. Step 6: Final answer
    x = 10,165,136.09

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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.