Home / 15,188,648.16-20,960,334.46-8,313,130.22

Finding the Fourth Proportional to 15,188,648.16, 20,960,334.46 and 8,313,130.22

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Solution

The fourth proportional to 15,188,648.16, 20,960,334.46 and 8,313,130.22 is: 11,472,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188,648.16 : 20,960,334.46 = 8,313,130.22 : x
  2. Step 2: Convert to fraction form
    15,188,648.16/20,960,334.46 = 8,313,130.22/x
  3. Step 3: Cross multiply
    15,188,648.16x = 20,960,334.46 × 8,313,130.22
  4. Step 4: Simplify right side
    15,188,648.16x = 174,245,989,852,351.41
  5. Step 5: Solve for x
    x = 174,245,989,852,351.41/15,188,648.16
  6. Step 6: Final answer
    x = 11,472,119.71

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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.