Home / 20,291,238.52-28,001,158.68-10,998,609.06

Finding the Fourth Proportional to 20,291,238.52, 28,001,158.68 and 10,998,609.06

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Solution

The fourth proportional to 20,291,238.52, 28,001,158.68 and 10,998,609.06 is: 15,177,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291,238.52 : 28,001,158.68 = 10,998,609.06 : x
  2. Step 2: Convert to fraction form
    20,291,238.52/28,001,158.68 = 10,998,609.06/x
  3. Step 3: Cross multiply
    20,291,238.52x = 28,001,158.68 × 10,998,609.06
  4. Step 4: Simplify right side
    20,291,238.52x = 307,973,797,548,345.62
  5. Step 5: Solve for x
    x = 307,973,797,548,345.62/20,291,238.52
  6. Step 6: Final answer
    x = 15,177,673.72

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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.