Home / 18,519,343.53-25,556,695.23-10,146,748.91

Finding the Fourth Proportional to 18,519,343.53, 25,556,695.23 and 10,146,748.91

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Solution

The fourth proportional to 18,519,343.53, 25,556,695.23 and 10,146,748.91 is: 14,002,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,343.53 : 25,556,695.23 = 10,146,748.91 : x
  2. Step 2: Convert to fraction form
    18,519,343.53/25,556,695.23 = 10,146,748.91/x
  3. Step 3: Cross multiply
    18,519,343.53x = 25,556,695.23 × 10,146,748.91
  4. Step 4: Simplify right side
    18,519,343.53x = 259,317,369,340,421.22
  5. Step 5: Solve for x
    x = 259,317,369,340,421.22/18,519,343.53
  6. Step 6: Final answer
    x = 14,002,514.12

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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.