Home / 18,148,542.30-25,046,753.31-13,556,892.06

Finding the Fourth Proportional to 18,148,542.30, 25,046,753.31 and 13,556,892.06

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Solution

The fourth proportional to 18,148,542.30, 25,046,753.31 and 13,556,892.06 is: 18,709,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,542.30 : 25,046,753.31 = 13,556,892.06 : x
  2. Step 2: Convert to fraction form
    18,148,542.30/25,046,753.31 = 13,556,892.06/x
  3. Step 3: Cross multiply
    18,148,542.30x = 25,046,753.31 × 13,556,892.06
  4. Step 4: Simplify right side
    18,148,542.30x = 339,556,131,077,117.69
  5. Step 5: Solve for x
    x = 339,556,131,077,117.69/18,148,542.30
  6. Step 6: Final answer
    x = 18,709,829.44

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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.