Home / 18,021,613.52-27,042,130.56-13,098,180.80

Finding the Fourth Proportional to 18,021,613.52, 27,042,130.56 and 13,098,180.80

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Solution

The fourth proportional to 18,021,613.52, 27,042,130.56 and 13,098,180.80 is: 19,654,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021,613.52 : 27,042,130.56 = 13,098,180.80 : x
  2. Step 2: Convert to fraction form
    18,021,613.52/27,042,130.56 = 13,098,180.80/x
  3. Step 3: Cross multiply
    18,021,613.52x = 27,042,130.56 × 13,098,180.80
  4. Step 4: Simplify right side
    18,021,613.52x = 354,202,715,292,085.25
  5. Step 5: Solve for x
    x = 354,202,715,292,085.25/18,021,613.52
  6. Step 6: Final answer
    x = 19,654,328.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.