Home / 13,444,322.90-20,139,912.30-7,368,180.80

Finding the Fourth Proportional to 13,444,322.90, 20,139,912.30 and 7,368,180.80

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Solution

The fourth proportional to 13,444,322.90, 20,139,912.30 and 7,368,180.80 is: 11,037,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,322.90 : 20,139,912.30 = 7,368,180.80 : x
  2. Step 2: Convert to fraction form
    13,444,322.90/20,139,912.30 = 7,368,180.80/x
  3. Step 3: Cross multiply
    13,444,322.90x = 20,139,912.30 × 7,368,180.80
  4. Step 4: Simplify right side
    13,444,322.90x = 148,394,515,122,543.84
  5. Step 5: Solve for x
    x = 148,394,515,122,543.84/13,444,322.90
  6. Step 6: Final answer
    x = 11,037,708.35

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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.