Home / 11,487,629.63-15,853,491.28-6,459,961.73

Finding the Fourth Proportional to 11,487,629.63, 15,853,491.28 and 6,459,961.73

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Solution

The fourth proportional to 11,487,629.63, 15,853,491.28 and 6,459,961.73 is: 8,915,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487,629.63 : 15,853,491.28 = 6,459,961.73 : x
  2. Step 2: Convert to fraction form
    11,487,629.63/15,853,491.28 = 6,459,961.73/x
  3. Step 3: Cross multiply
    11,487,629.63x = 15,853,491.28 × 6,459,961.73
  4. Step 4: Simplify right side
    11,487,629.63x = 102,412,946,876,421.25
  5. Step 5: Solve for x
    x = 102,412,946,876,421.25/11,487,629.63
  6. Step 6: Final answer
    x = 8,915,063.44

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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.