Home / 13,436,721.80-18,542,499.01-7,556,354.24

Finding the Fourth Proportional to 13,436,721.80, 18,542,499.01 and 7,556,354.24

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Solution

The fourth proportional to 13,436,721.80, 18,542,499.01 and 7,556,354.24 is: 10,427,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,721.80 : 18,542,499.01 = 7,556,354.24 : x
  2. Step 2: Convert to fraction form
    13,436,721.80/18,542,499.01 = 7,556,354.24/x
  3. Step 3: Cross multiply
    13,436,721.80x = 18,542,499.01 × 7,556,354.24
  4. Step 4: Simplify right side
    13,436,721.80x = 140,113,690,902,805.94
  5. Step 5: Solve for x
    x = 140,113,690,902,805.94/13,436,721.80
  6. Step 6: Final answer
    x = 10,427,669.27

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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.