Home / 7,644,905.77-11,453,906.55-7,189,776.49

Finding the Fourth Proportional to 7,644,905.77, 11,453,906.55 and 7,189,776.49

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Solution

The fourth proportional to 7,644,905.77, 11,453,906.55 and 7,189,776.49 is: 10,772,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644,905.77 : 11,453,906.55 = 7,189,776.49 : x
  2. Step 2: Convert to fraction form
    7,644,905.77/11,453,906.55 = 7,189,776.49/x
  3. Step 3: Cross multiply
    7,644,905.77x = 11,453,906.55 × 7,189,776.49
  4. Step 4: Simplify right side
    7,644,905.77x = 82,351,028,051,649.98
  5. Step 5: Solve for x
    x = 82,351,028,051,649.98/7,644,905.77
  6. Step 6: Final answer
    x = 10,772,013.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.