Home / 11,880,930.22-16,392,873.60-6,724,291.78

Finding the Fourth Proportional to 11,880,930.22, 16,392,873.60 and 6,724,291.78

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Solution

The fourth proportional to 11,880,930.22, 16,392,873.60 and 6,724,291.78 is: 9,277,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,930.22 : 16,392,873.60 = 6,724,291.78 : x
  2. Step 2: Convert to fraction form
    11,880,930.22/16,392,873.60 = 6,724,291.78/x
  3. Step 3: Cross multiply
    11,880,930.22x = 16,392,873.60 × 6,724,291.78
  4. Step 4: Simplify right side
    11,880,930.22x = 110,230,465,199,059.02
  5. Step 5: Solve for x
    x = 110,230,465,199,059.02/11,880,930.22
  6. Step 6: Final answer
    x = 9,277,932.21

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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.