Home / 14,825,530.78-20,459,659.78-8,299,121.82

Finding the Fourth Proportional to 14,825,530.78, 20,459,659.78 and 8,299,121.82

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Solution

The fourth proportional to 14,825,530.78, 20,459,659.78 and 8,299,121.82 is: 11,453,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825,530.78 : 20,459,659.78 = 8,299,121.82 : x
  2. Step 2: Convert to fraction form
    14,825,530.78/20,459,659.78 = 8,299,121.82/x
  3. Step 3: Cross multiply
    14,825,530.78x = 20,459,659.78 × 8,299,121.82
  4. Step 4: Simplify right side
    14,825,530.78x = 169,797,208,909,974.41
  5. Step 5: Solve for x
    x = 169,797,208,909,974.41/14,825,530.78
  6. Step 6: Final answer
    x = 11,453,027.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.