Home / 8,518,999.89-11,756,160.94-4,651,518.81

Finding the Fourth Proportional to 8,518,999.89, 11,756,160.94 and 4,651,518.81

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Solution

The fourth proportional to 8,518,999.89, 11,756,160.94 and 4,651,518.81 is: 6,419,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,999.89 : 11,756,160.94 = 4,651,518.81 : x
  2. Step 2: Convert to fraction form
    8,518,999.89/11,756,160.94 = 4,651,518.81/x
  3. Step 3: Cross multiply
    8,518,999.89x = 11,756,160.94 × 4,651,518.81
  4. Step 4: Simplify right side
    8,518,999.89x = 54,684,003,745,797.27
  5. Step 5: Solve for x
    x = 54,684,003,745,797.27/8,518,999.89
  6. Step 6: Final answer
    x = 6,419,063.79

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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.