Home / 11,475,103.89-15,835,991.76-6,318,649.98

Finding the Fourth Proportional to 11,475,103.89, 15,835,991.76 and 6,318,649.98

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Solution

The fourth proportional to 11,475,103.89, 15,835,991.76 and 6,318,649.98 is: 8,719,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475,103.89 : 15,835,991.76 = 6,318,649.98 : x
  2. Step 2: Convert to fraction form
    11,475,103.89/15,835,991.76 = 6,318,649.98/x
  3. Step 3: Cross multiply
    11,475,103.89x = 15,835,991.76 × 6,318,649.98
  4. Step 4: Simplify right side
    11,475,103.89x = 100,062,089,017,604.17
  5. Step 5: Solve for x
    x = 100,062,089,017,604.17/11,475,103.89
  6. Step 6: Final answer
    x = 8,719,928.81

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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.