Home / 21,272,098.23-29,355,556.36-12,332,945.65

Finding the Fourth Proportional to 21,272,098.23, 29,355,556.36 and 12,332,945.65

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Solution

The fourth proportional to 21,272,098.23, 29,355,556.36 and 12,332,945.65 is: 17,019,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272,098.23 : 29,355,556.36 = 12,332,945.65 : x
  2. Step 2: Convert to fraction form
    21,272,098.23/29,355,556.36 = 12,332,945.65/x
  3. Step 3: Cross multiply
    21,272,098.23x = 29,355,556.36 × 12,332,945.65
  4. Step 4: Simplify right side
    21,272,098.23x = 362,040,481,180,655.50
  5. Step 5: Solve for x
    x = 362,040,481,180,655.50/21,272,098.23
  6. Step 6: Final answer
    x = 17,019,500.25

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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.