Home / 15,288,796.35-21,098,524.75-8,413,278.41

Finding the Fourth Proportional to 15,288,796.35, 21,098,524.75 and 8,413,278.41

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Solution

The fourth proportional to 15,288,796.35, 21,098,524.75 and 8,413,278.41 is: 11,610,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288,796.35 : 21,098,524.75 = 8,413,278.41 : x
  2. Step 2: Convert to fraction form
    15,288,796.35/21,098,524.75 = 8,413,278.41/x
  3. Step 3: Cross multiply
    15,288,796.35x = 21,098,524.75 × 8,413,278.41
  4. Step 4: Simplify right side
    15,288,796.35x = 177,507,762,793,738.75
  5. Step 5: Solve for x
    x = 177,507,762,793,738.75/15,288,796.35
  6. Step 6: Final answer
    x = 11,610,316.39

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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.