Home / 11,938,942.45-17,912,199.44-4,262,422.69

Finding the Fourth Proportional to 11,938,942.45, 17,912,199.44 and 4,262,422.69

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Solution

The fourth proportional to 11,938,942.45, 17,912,199.44 and 4,262,422.69 is: 6,394,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938,942.45 : 17,912,199.44 = 4,262,422.69 : x
  2. Step 2: Convert to fraction form
    11,938,942.45/17,912,199.44 = 4,262,422.69/x
  3. Step 3: Cross multiply
    11,938,942.45x = 17,912,199.44 × 4,262,422.69
  4. Step 4: Simplify right side
    11,938,942.45x = 76,349,365,320,861.31
  5. Step 5: Solve for x
    x = 76,349,365,320,861.31/11,938,942.45
  6. Step 6: Final answer
    x = 6,394,985.62

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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.