Home / 13,713,786.88-20,571,336.40-11,313,180.16

Finding the Fourth Proportional to 13,713,786.88, 20,571,336.40 and 11,313,180.16

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Solution

The fourth proportional to 13,713,786.88, 20,571,336.40 and 11,313,180.16 is: 16,970,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713,786.88 : 20,571,336.40 = 11,313,180.16 : x
  2. Step 2: Convert to fraction form
    13,713,786.88/20,571,336.40 = 11,313,180.16/x
  3. Step 3: Cross multiply
    13,713,786.88x = 20,571,336.40 × 11,313,180.16
  4. Step 4: Simplify right side
    13,713,786.88x = 232,727,234,825,165.81
  5. Step 5: Solve for x
    x = 232,727,234,825,165.81/13,713,786.88
  6. Step 6: Final answer
    x = 16,970,311.47

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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.