Home / 13,747,794.79-20,621,689.10-3,512,673.74

Finding the Fourth Proportional to 13,747,794.79, 20,621,689.10 and 3,512,673.74

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Solution

The fourth proportional to 13,747,794.79, 20,621,689.10 and 3,512,673.74 is: 5,269,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,794.79 : 20,621,689.10 = 3,512,673.74 : x
  2. Step 2: Convert to fraction form
    13,747,794.79/20,621,689.10 = 3,512,673.74/x
  3. Step 3: Cross multiply
    13,747,794.79x = 20,621,689.10 × 3,512,673.74
  4. Step 4: Simplify right side
    13,747,794.79x = 72,437,265,842,936.41
  5. Step 5: Solve for x
    x = 72,437,265,842,936.41/13,747,794.79
  6. Step 6: Final answer
    x = 5,269,009.83

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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.