Home / 11,897,108.75-16,418,108.49-6,464,600.75

Finding the Fourth Proportional to 11,897,108.75, 16,418,108.49 and 6,464,600.75

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Solution

The fourth proportional to 11,897,108.75, 16,418,108.49 and 6,464,600.75 is: 8,921,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897,108.75 : 16,418,108.49 = 6,464,600.75 : x
  2. Step 2: Convert to fraction form
    11,897,108.75/16,418,108.49 = 6,464,600.75/x
  3. Step 3: Cross multiply
    11,897,108.75x = 16,418,108.49 × 6,464,600.75
  4. Step 4: Simplify right side
    11,897,108.75x = 106,136,516,458,035.38
  5. Step 5: Solve for x
    x = 106,136,516,458,035.38/11,897,108.75
  6. Step 6: Final answer
    x = 8,921,202.51

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Double scale
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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.