Home / 13,764,363.80-20,662,292.10-8,087,786.60

Finding the Fourth Proportional to 13,764,363.80, 20,662,292.10 and 8,087,786.60

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Solution

The fourth proportional to 13,764,363.80, 20,662,292.10 and 8,087,786.60 is: 12,140,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,363.80 : 20,662,292.10 = 8,087,786.60 : x
  2. Step 2: Convert to fraction form
    13,764,363.80/20,662,292.10 = 8,087,786.60/x
  3. Step 3: Cross multiply
    13,764,363.80x = 20,662,292.10 × 8,087,786.60
  4. Step 4: Simplify right side
    13,764,363.80x = 167,112,209,171,665.88
  5. Step 5: Solve for x
    x = 167,112,209,171,665.88/13,764,363.80
  6. Step 6: Final answer
    x = 12,140,932.31

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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.