Home / 19,993,067.40-29,983,389.90-7,211,911.56

Finding the Fourth Proportional to 19,993,067.40, 29,983,389.90 and 7,211,911.56

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Solution

The fourth proportional to 19,993,067.40, 29,983,389.90 and 7,211,911.56 is: 10,815,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993,067.40 : 29,983,389.90 = 7,211,911.56 : x
  2. Step 2: Convert to fraction form
    19,993,067.40/29,983,389.90 = 7,211,911.56/x
  3. Step 3: Cross multiply
    19,993,067.40x = 29,983,389.90 × 7,211,911.56
  4. Step 4: Simplify right side
    19,993,067.40x = 216,237,556,227,797.22
  5. Step 5: Solve for x
    x = 216,237,556,227,797.22/19,993,067.40
  6. Step 6: Final answer
    x = 10,815,626.83

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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.