Home / 13,150,097.79-18,145,563.30-7,268,937.52

Finding the Fourth Proportional to 13,150,097.79, 18,145,563.30 and 7,268,937.52

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Solution

The fourth proportional to 13,150,097.79, 18,145,563.30 and 7,268,937.52 is: 10,030,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,097.79 : 18,145,563.30 = 7,268,937.52 : x
  2. Step 2: Convert to fraction form
    13,150,097.79/18,145,563.30 = 7,268,937.52/x
  3. Step 3: Cross multiply
    13,150,097.79x = 18,145,563.30 × 7,268,937.52
  4. Step 4: Simplify right side
    13,150,097.79x = 131,898,965,881,564.05
  5. Step 5: Solve for x
    x = 131,898,965,881,564.05/13,150,097.79
  6. Step 6: Final answer
    x = 10,030,265.02

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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.