Home / 8,372,630.71-12,550,974.40-2,688,869.22

Finding the Fourth Proportional to 8,372,630.71, 12,550,974.40 and 2,688,869.22

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Solution

The fourth proportional to 8,372,630.71, 12,550,974.40 and 2,688,869.22 is: 4,030,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,630.71 : 12,550,974.40 = 2,688,869.22 : x
  2. Step 2: Convert to fraction form
    8,372,630.71/12,550,974.40 = 2,688,869.22/x
  3. Step 3: Cross multiply
    8,372,630.71x = 12,550,974.40 × 2,688,869.22
  4. Step 4: Simplify right side
    8,372,630.71x = 33,747,928,745,167.97
  5. Step 5: Solve for x
    x = 33,747,928,745,167.97/8,372,630.71
  6. Step 6: Final answer
    x = 4,030,743.73

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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.