Home / 12,837,656.92-17,717,917.98-8,193,446.68

Finding the Fourth Proportional to 12,837,656.92, 17,717,917.98 and 8,193,446.68

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Solution

The fourth proportional to 12,837,656.92, 17,717,917.98 and 8,193,446.68 is: 11,308,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837,656.92 : 17,717,917.98 = 8,193,446.68 : x
  2. Step 2: Convert to fraction form
    12,837,656.92/17,717,917.98 = 8,193,446.68/x
  3. Step 3: Cross multiply
    12,837,656.92x = 17,717,917.98 × 8,193,446.68
  4. Step 4: Simplify right side
    12,837,656.92x = 145,170,816,249,743.31
  5. Step 5: Solve for x
    x = 145,170,816,249,743.31/12,837,656.92
  6. Step 6: Final answer
    x = 11,308,201.89

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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.