Home / 11,897,109.75-16,418,109.87-6,464,601.75

Finding the Fourth Proportional to 11,897,109.75, 16,418,109.87 and 6,464,601.75

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Solution

The fourth proportional to 11,897,109.75, 16,418,109.87 and 6,464,601.75 is: 8,921,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897,109.75 : 16,418,109.87 = 6,464,601.75 : x
  2. Step 2: Convert to fraction form
    11,897,109.75/16,418,109.87 = 6,464,601.75/x
  3. Step 3: Cross multiply
    11,897,109.75x = 16,418,109.87 × 6,464,601.75
  4. Step 4: Simplify right side
    11,897,109.75x = 106,136,541,797,294.27
  5. Step 5: Solve for x
    x = 106,136,541,797,294.27/11,897,109.75
  6. Step 6: Final answer
    x = 8,921,203.89

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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.