Home / 13,910,806.26-19,196,912.62-8,109,832.50

Finding the Fourth Proportional to 13,910,806.26, 19,196,912.62 and 8,109,832.50

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Solution

The fourth proportional to 13,910,806.26, 19,196,912.62 and 8,109,832.50 is: 11,191,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,806.26 : 19,196,912.62 = 8,109,832.50 : x
  2. Step 2: Convert to fraction form
    13,910,806.26/19,196,912.62 = 8,109,832.50/x
  3. Step 3: Cross multiply
    13,910,806.26x = 19,196,912.62 × 8,109,832.50
  4. Step 4: Simplify right side
    13,910,806.26x = 155,683,745,865,336.16
  5. Step 5: Solve for x
    x = 155,683,745,865,336.16/13,910,806.26
  6. Step 6: Final answer
    x = 11,191,568.84

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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.