Home / 18,212,013.17-25,115,207.44-11,923,156.01

Finding the Fourth Proportional to 18,212,013.17, 25,115,207.44 and 11,923,156.01

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Solution

The fourth proportional to 18,212,013.17, 25,115,207.44 and 11,923,156.01 is: 16,442,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,013.17 : 25,115,207.44 = 11,923,156.01 : x
  2. Step 2: Convert to fraction form
    18,212,013.17/25,115,207.44 = 11,923,156.01/x
  3. Step 3: Cross multiply
    18,212,013.17x = 25,115,207.44 × 11,923,156.01
  4. Step 4: Simplify right side
    18,212,013.17x = 299,452,536,444,695.75
  5. Step 5: Solve for x
    x = 299,452,536,444,695.75/18,212,013.17
  6. Step 6: Final answer
    x = 16,442,582.91

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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.