Home / 11,711,968.78-16,162,513.32-6,555,328.96

Finding the Fourth Proportional to 11,711,968.78, 16,162,513.32 and 6,555,328.96

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Solution

The fourth proportional to 11,711,968.78, 16,162,513.32 and 6,555,328.96 is: 9,046,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711,968.78 : 16,162,513.32 = 6,555,328.96 : x
  2. Step 2: Convert to fraction form
    11,711,968.78/16,162,513.32 = 6,555,328.96/x
  3. Step 3: Cross multiply
    11,711,968.78x = 16,162,513.32 × 6,555,328.96
  4. Step 4: Simplify right side
    11,711,968.78x = 105,950,591,632,981.75
  5. Step 5: Solve for x
    x = 105,950,591,632,981.75/11,711,968.78
  6. Step 6: Final answer
    x = 9,046,351.95

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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.