Home / 11,659,347.90-16,089,846.84-6,432,213.78

Finding the Fourth Proportional to 11,659,347.90, 16,089,846.84 and 6,432,213.78

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Solution

The fourth proportional to 11,659,347.90, 16,089,846.84 and 6,432,213.78 is: 8,876,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659,347.90 : 16,089,846.84 = 6,432,213.78 : x
  2. Step 2: Convert to fraction form
    11,659,347.90/16,089,846.84 = 6,432,213.78/x
  3. Step 3: Cross multiply
    11,659,347.90x = 16,089,846.84 × 6,432,213.78
  4. Step 4: Simplify right side
    11,659,347.90x = 103,493,334,562,337.45
  5. Step 5: Solve for x
    x = 103,493,334,562,337.45/11,659,347.90
  6. Step 6: Final answer
    x = 8,876,425.63

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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.