Home / 13,486,552.70-20,229,829.05-4,965,125.90

Finding the Fourth Proportional to 13,486,552.70, 20,229,829.05 and 4,965,125.90

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Solution

The fourth proportional to 13,486,552.70, 20,229,829.05 and 4,965,125.90 is: 7,447,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,552.70 : 20,229,829.05 = 4,965,125.90 : x
  2. Step 2: Convert to fraction form
    13,486,552.70/20,229,829.05 = 4,965,125.90/x
  3. Step 3: Cross multiply
    13,486,552.70x = 20,229,829.05 × 4,965,125.90
  4. Step 4: Simplify right side
    13,486,552.70x = 100,443,648,168,727.41
  5. Step 5: Solve for x
    x = 100,443,648,168,727.41/13,486,552.70
  6. Step 6: Final answer
    x = 7,447,688.85

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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.