Home / 18,148,535.30-25,046,743.65-13,556,885.06

Finding the Fourth Proportional to 18,148,535.30, 25,046,743.65 and 13,556,885.06

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Solution

The fourth proportional to 18,148,535.30, 25,046,743.65 and 13,556,885.06 is: 18,709,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,535.30 : 25,046,743.65 = 13,556,885.06 : x
  2. Step 2: Convert to fraction form
    18,148,535.30/25,046,743.65 = 13,556,885.06/x
  3. Step 3: Cross multiply
    18,148,535.30x = 25,046,743.65 × 13,556,885.06
  4. Step 4: Simplify right side
    18,148,535.30x = 339,555,824,790,334.88
  5. Step 5: Solve for x
    x = 339,555,824,790,334.88/18,148,535.30
  6. Step 6: Final answer
    x = 18,709,819.78

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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.