Home / 18,530,644.16-25,573,737.48-11,921,134.88

Finding the Fourth Proportional to 18,530,644.16, 25,573,737.48 and 11,921,134.88

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Solution

The fourth proportional to 18,530,644.16, 25,573,737.48 and 11,921,134.88 is: 16,452,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530,644.16 : 25,573,737.48 = 11,921,134.88 : x
  2. Step 2: Convert to fraction form
    18,530,644.16/25,573,737.48 = 11,921,134.88/x
  3. Step 3: Cross multiply
    18,530,644.16x = 25,573,737.48 × 11,921,134.88
  4. Step 4: Simplify right side
    18,530,644.16x = 304,867,973,884,791.31
  5. Step 5: Solve for x
    x = 304,867,973,884,791.31/18,530,644.16
  6. Step 6: Final answer
    x = 16,452,098.01

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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.