Home / 9,128,805.35-12,597,906.26-4,998,770.69

Finding the Fourth Proportional to 9,128,805.35, 12,597,906.26 and 4,998,770.69

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Solution

The fourth proportional to 9,128,805.35, 12,597,906.26 and 4,998,770.69 is: 6,898,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,805.35 : 12,597,906.26 = 4,998,770.69 : x
  2. Step 2: Convert to fraction form
    9,128,805.35/12,597,906.26 = 4,998,770.69/x
  3. Step 3: Cross multiply
    9,128,805.35x = 12,597,906.26 × 4,998,770.69
  4. Step 4: Simplify right side
    9,128,805.35x = 62,974,044,517,362.91
  5. Step 5: Solve for x
    x = 62,974,044,517,362.91/9,128,805.35
  6. Step 6: Final answer
    x = 6,898,388.36

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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.