Home / 12,339,209.29-17,045,845.91-9,855,168.47

Finding the Fourth Proportional to 12,339,209.29, 17,045,845.91 and 9,855,168.47

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Solution

The fourth proportional to 12,339,209.29, 17,045,845.91 and 9,855,168.47 is: 13,614,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,209.29 : 17,045,845.91 = 9,855,168.47 : x
  2. Step 2: Convert to fraction form
    12,339,209.29/17,045,845.91 = 9,855,168.47/x
  3. Step 3: Cross multiply
    12,339,209.29x = 17,045,845.91 × 9,855,168.47
  4. Step 4: Simplify right side
    12,339,209.29x = 167,989,683,071,481.22
  5. Step 5: Solve for x
    x = 167,989,683,071,481.22/12,339,209.29
  6. Step 6: Final answer
    x = 13,614,298.87

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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.