Home / 10,977,611.88-15,149,323.74-6,394,228.50

Finding the Fourth Proportional to 10,977,611.88, 15,149,323.74 and 6,394,228.50

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Solution

The fourth proportional to 10,977,611.88, 15,149,323.74 and 6,394,228.50 is: 8,824,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,611.88 : 15,149,323.74 = 6,394,228.50 : x
  2. Step 2: Convert to fraction form
    10,977,611.88/15,149,323.74 = 6,394,228.50/x
  3. Step 3: Cross multiply
    10,977,611.88x = 15,149,323.74 × 6,394,228.50
  4. Step 4: Simplify right side
    10,977,611.88x = 96,868,237,614,034.59
  5. Step 5: Solve for x
    x = 96,868,237,614,034.59/10,977,611.88
  6. Step 6: Final answer
    x = 8,824,163.09

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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.