Home / 8,403,435.78-12,608,330.47-3,289,520.48

Finding the Fourth Proportional to 8,403,435.78, 12,608,330.47 and 3,289,520.48

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Solution

The fourth proportional to 8,403,435.78, 12,608,330.47 and 3,289,520.48 is: 4,935,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,435.78 : 12,608,330.47 = 3,289,520.48 : x
  2. Step 2: Convert to fraction form
    8,403,435.78/12,608,330.47 = 3,289,520.48/x
  3. Step 3: Cross multiply
    8,403,435.78x = 12,608,330.47 × 3,289,520.48
  4. Step 4: Simplify right side
    8,403,435.78x = 41,475,361,299,673.03
  5. Step 5: Solve for x
    x = 41,475,361,299,673.03/8,403,435.78
  6. Step 6: Final answer
    x = 4,935,524.28

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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.