Home / 12,691,084.74-17,513,697.33-6,889,858.26

Finding the Fourth Proportional to 12,691,084.74, 17,513,697.33 and 6,889,858.26

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Solution

The fourth proportional to 12,691,084.74, 17,513,697.33 and 6,889,858.26 is: 9,508,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,084.74 : 17,513,697.33 = 6,889,858.26 : x
  2. Step 2: Convert to fraction form
    12,691,084.74/17,513,697.33 = 6,889,858.26/x
  3. Step 3: Cross multiply
    12,691,084.74x = 17,513,697.33 × 6,889,858.26
  4. Step 4: Simplify right side
    12,691,084.74x = 120,666,892,212,240.42
  5. Step 5: Solve for x
    x = 120,666,892,212,240.42/12,691,084.74
  6. Step 6: Final answer
    x = 9,508,004.61

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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.