Home / 13,205,422.20-19,808,133.30-12,727,125.30

Finding the Fourth Proportional to 13,205,422.20, 19,808,133.30 and 12,727,125.30

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Solution

The fourth proportional to 13,205,422.20, 19,808,133.30 and 12,727,125.30 is: 19,090,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,422.20 : 19,808,133.30 = 12,727,125.30 : x
  2. Step 2: Convert to fraction form
    13,205,422.20/19,808,133.30 = 12,727,125.30/x
  3. Step 3: Cross multiply
    13,205,422.20x = 19,808,133.30 × 12,727,125.30
  4. Step 4: Simplify right side
    13,205,422.20x = 252,100,594,468,202.50
  5. Step 5: Solve for x
    x = 252,100,594,468,202.50/13,205,422.20
  6. Step 6: Final answer
    x = 19,090,687.95

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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.