Home / 7,478,176.41-11,222,305.77-2,620,526.61

Finding the Fourth Proportional to 7,478,176.41, 11,222,305.77 and 2,620,526.61

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Solution

The fourth proportional to 7,478,176.41, 11,222,305.77 and 2,620,526.61 is: 3,932,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,176.41 : 11,222,305.77 = 2,620,526.61 : x
  2. Step 2: Convert to fraction form
    7,478,176.41/11,222,305.77 = 2,620,526.61/x
  3. Step 3: Cross multiply
    7,478,176.41x = 11,222,305.77 × 2,620,526.61
  4. Step 4: Simplify right side
    7,478,176.41x = 29,408,350,895,841.54
  5. Step 5: Solve for x
    x = 29,408,350,895,841.54/7,478,176.41
  6. Step 6: Final answer
    x = 3,932,556.45

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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.