Home / 15,568,481.76-21,484,504.01-8,407,692.74

Finding the Fourth Proportional to 15,568,481.76, 21,484,504.01 and 8,407,692.74

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Solution

The fourth proportional to 15,568,481.76, 21,484,504.01 and 8,407,692.74 is: 11,602,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568,481.76 : 21,484,504.01 = 8,407,692.74 : x
  2. Step 2: Convert to fraction form
    15,568,481.76/21,484,504.01 = 8,407,692.74/x
  3. Step 3: Cross multiply
    15,568,481.76x = 21,484,504.01 × 8,407,692.74
  4. Step 4: Simplify right side
    15,568,481.76x = 180,635,108,504,145.38
  5. Step 5: Solve for x
    x = 180,635,108,504,145.38/15,568,481.76
  6. Step 6: Final answer
    x = 11,602,615.54

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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.