Home / 13,627,122.83-18,806,560.04-7,827,023.87

Finding the Fourth Proportional to 13,627,122.83, 18,806,560.04 and 7,827,023.87

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Solution

The fourth proportional to 13,627,122.83, 18,806,560.04 and 7,827,023.87 is: 10,801,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627,122.83 : 18,806,560.04 = 7,827,023.87 : x
  2. Step 2: Convert to fraction form
    13,627,122.83/18,806,560.04 = 7,827,023.87/x
  3. Step 3: Cross multiply
    13,627,122.83x = 18,806,560.04 × 7,827,023.87
  4. Step 4: Simplify right side
    13,627,122.83x = 147,199,394,212,500.25
  5. Step 5: Solve for x
    x = 147,199,394,212,500.25/13,627,122.83
  6. Step 6: Final answer
    x = 10,801,942.28

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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.