Home / 13,233,253.60-18,265,850.16-7,728,113.44

Finding the Fourth Proportional to 13,233,253.60, 18,265,850.16 and 7,728,113.44

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Solution

The fourth proportional to 13,233,253.60, 18,265,850.16 and 7,728,113.44 is: 10,667,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233,253.60 : 18,265,850.16 = 7,728,113.44 : x
  2. Step 2: Convert to fraction form
    13,233,253.60/18,265,850.16 = 7,728,113.44/x
  3. Step 3: Cross multiply
    13,233,253.60x = 18,265,850.16 × 7,728,113.44
  4. Step 4: Simplify right side
    13,233,253.60x = 141,160,562,114,522.16
  5. Step 5: Solve for x
    x = 141,160,562,114,522.16/13,233,253.60
  6. Step 6: Final answer
    x = 10,667,109.27

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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.