Home / 12,484,231.20-18,726,346.80-3,508,783.20

Finding the Fourth Proportional to 12,484,231.20, 18,726,346.80 and 3,508,783.20

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Solution

The fourth proportional to 12,484,231.20, 18,726,346.80 and 3,508,783.20 is: 5,263,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,231.20 : 18,726,346.80 = 3,508,783.20 : x
  2. Step 2: Convert to fraction form
    12,484,231.20/18,726,346.80 = 3,508,783.20/x
  3. Step 3: Cross multiply
    12,484,231.20x = 18,726,346.80 × 3,508,783.20
  4. Step 4: Simplify right side
    12,484,231.20x = 65,706,691,049,213.77
  5. Step 5: Solve for x
    x = 65,706,691,049,213.77/12,484,231.20
  6. Step 6: Final answer
    x = 5,263,174.80

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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.