Home / 12,251,684.20-18,349,532.70-7,212,836.20

Finding the Fourth Proportional to 12,251,684.20, 18,349,532.70 and 7,212,836.20

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Solution

The fourth proportional to 12,251,684.20, 18,349,532.70 and 7,212,836.20 is: 10,802,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,684.20 : 18,349,532.70 = 7,212,836.20 : x
  2. Step 2: Convert to fraction form
    12,251,684.20/18,349,532.70 = 7,212,836.20/x
  3. Step 3: Cross multiply
    12,251,684.20x = 18,349,532.70 × 7,212,836.20
  4. Step 4: Simplify right side
    12,251,684.20x = 132,352,173,711,643.73
  5. Step 5: Solve for x
    x = 132,352,173,711,643.73/12,251,684.20
  6. Step 6: Final answer
    x = 10,802,773.85

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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.