Home / 13,941,470.20-20,912,205.30-11,071,688.80

Finding the Fourth Proportional to 13,941,470.20, 20,912,205.30 and 11,071,688.80

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Solution

The fourth proportional to 13,941,470.20, 20,912,205.30 and 11,071,688.80 is: 16,607,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,470.20 : 20,912,205.30 = 11,071,688.80 : x
  2. Step 2: Convert to fraction form
    13,941,470.20/20,912,205.30 = 11,071,688.80/x
  3. Step 3: Cross multiply
    13,941,470.20x = 20,912,205.30 × 11,071,688.80
  4. Step 4: Simplify right side
    13,941,470.20x = 231,533,429,203,310.66
  5. Step 5: Solve for x
    x = 231,533,429,203,310.66/13,941,470.20
  6. Step 6: Final answer
    x = 16,607,533.20

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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.