Home / 13,781,745.91-20,671,041.48-3,685,154.23

Finding the Fourth Proportional to 13,781,745.91, 20,671,041.48 and 3,685,154.23

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Solution

The fourth proportional to 13,781,745.91, 20,671,041.48 and 3,685,154.23 is: 5,527,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,745.91 : 20,671,041.48 = 3,685,154.23 : x
  2. Step 2: Convert to fraction form
    13,781,745.91/20,671,041.48 = 3,685,154.23/x
  3. Step 3: Cross multiply
    13,781,745.91x = 20,671,041.48 × 3,685,154.23
  4. Step 4: Simplify right side
    13,781,745.91x = 76,175,975,948,527.47
  5. Step 5: Solve for x
    x = 76,175,975,948,527.47/13,781,745.91
  6. Step 6: Final answer
    x = 5,527,309.56

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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.