Home / 18,214,922.88-25,134,164.64-11,697,380.64

Finding the Fourth Proportional to 18,214,922.88, 25,134,164.64 and 11,697,380.64

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Solution

The fourth proportional to 18,214,922.88, 25,134,164.64 and 11,697,380.64 is: 16,140,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214,922.88 : 25,134,164.64 = 11,697,380.64 : x
  2. Step 2: Convert to fraction form
    18,214,922.88/25,134,164.64 = 11,697,380.64/x
  3. Step 3: Cross multiply
    18,214,922.88x = 25,134,164.64 × 11,697,380.64
  4. Step 4: Simplify right side
    18,214,922.88x = 294,003,890,862,508.56
  5. Step 5: Solve for x
    x = 294,003,890,862,508.56/18,214,922.88
  6. Step 6: Final answer
    x = 16,140,825.45

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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.