Home / 7,212,997.76-9,953,937.60-3,993,733.76

Finding the Fourth Proportional to 7,212,997.76, 9,953,937.60 and 3,993,733.76

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Solution

The fourth proportional to 7,212,997.76, 9,953,937.60 and 3,993,733.76 is: 5,511,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,997.76 : 9,953,937.60 = 3,993,733.76 : x
  2. Step 2: Convert to fraction form
    7,212,997.76/9,953,937.60 = 3,993,733.76/x
  3. Step 3: Cross multiply
    7,212,997.76x = 9,953,937.60 × 3,993,733.76
  4. Step 4: Simplify right side
    7,212,997.76x = 39,753,376,638,053.38
  5. Step 5: Solve for x
    x = 39,753,376,638,053.38/7,212,997.76
  6. Step 6: Final answer
    x = 5,511,352.97

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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.