Home / 13,373,829.40-18,456,099.06-7,572,456.04

Finding the Fourth Proportional to 13,373,829.40, 18,456,099.06 and 7,572,456.04

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Solution

The fourth proportional to 13,373,829.40, 18,456,099.06 and 7,572,456.04 is: 10,450,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373,829.40 : 18,456,099.06 = 7,572,456.04 : x
  2. Step 2: Convert to fraction form
    13,373,829.40/18,456,099.06 = 7,572,456.04/x
  3. Step 3: Cross multiply
    13,373,829.40x = 18,456,099.06 × 7,572,456.04
  4. Step 4: Simplify right side
    13,373,829.40x = 139,757,998,801,735.31
  5. Step 5: Solve for x
    x = 139,757,998,801,735.31/13,373,829.40
  6. Step 6: Final answer
    x = 10,450,110.78

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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.