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Finding the Fourth Proportional to 16,407,489.55, 22,642,792.34 and 9,065,795.82

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Solution

The fourth proportional to 16,407,489.55, 22,642,792.34 and 9,065,795.82 is: 12,511,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,407,489.55 : 22,642,792.34 = 9,065,795.82 : x
  2. Step 2: Convert to fraction form
    16,407,489.55/22,642,792.34 = 9,065,795.82/x
  3. Step 3: Cross multiply
    16,407,489.55x = 22,642,792.34 × 9,065,795.82
  4. Step 4: Simplify right side
    16,407,489.55x = 205,274,932,095,324.94
  5. Step 5: Solve for x
    x = 205,274,932,095,324.94/16,407,489.55
  6. Step 6: Final answer
    x = 12,511,050.61

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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.