Home / 15,188,647.41-20,960,333.42-8,313,129.47

Finding the Fourth Proportional to 15,188,647.41, 20,960,333.42 and 8,313,129.47

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Solution

The fourth proportional to 15,188,647.41, 20,960,333.42 and 8,313,129.47 is: 11,472,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188,647.41 : 20,960,333.42 = 8,313,129.47 : x
  2. Step 2: Convert to fraction form
    15,188,647.41/20,960,333.42 = 8,313,129.47/x
  3. Step 3: Cross multiply
    15,188,647.41x = 20,960,333.42 × 8,313,129.47
  4. Step 4: Simplify right side
    15,188,647.41x = 174,245,965,528,011.53
  5. Step 5: Solve for x
    x = 174,245,965,528,011.53/15,188,647.41
  6. Step 6: Final answer
    x = 11,472,118.67

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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.