Home / 10,782,965.78-16,169,040.02-3,591,971.54

Finding the Fourth Proportional to 10,782,965.78, 16,169,040.02 and 3,591,971.54

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Solution

The fourth proportional to 10,782,965.78, 16,169,040.02 and 3,591,971.54 is: 5,386,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,965.78 : 16,169,040.02 = 3,591,971.54 : x
  2. Step 2: Convert to fraction form
    10,782,965.78/16,169,040.02 = 3,591,971.54/x
  3. Step 3: Cross multiply
    10,782,965.78x = 16,169,040.02 × 3,591,971.54
  4. Step 4: Simplify right side
    10,782,965.78x = 58,078,731,580,961.03
  5. Step 5: Solve for x
    x = 58,078,731,580,961.03/10,782,965.78
  6. Step 6: Final answer
    x = 5,386,155.61

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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.