Home / 15,143,097.99-20,897,367.07-8,267,579.85

Finding the Fourth Proportional to 15,143,097.99, 20,897,367.07 and 8,267,579.85

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Solution

The fourth proportional to 15,143,097.99, 20,897,367.07 and 8,267,579.85 is: 11,409,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,097.99 : 20,897,367.07 = 8,267,579.85 : x
  2. Step 2: Convert to fraction form
    15,143,097.99/20,897,367.07 = 8,267,579.85/x
  3. Step 3: Cross multiply
    15,143,097.99x = 20,897,367.07 × 8,267,579.85
  4. Step 4: Simplify right side
    15,143,097.99x = 172,770,650,905,985.53
  5. Step 5: Solve for x
    x = 172,770,650,905,985.53/15,143,097.99
  6. Step 6: Final answer
    x = 11,409,201.14

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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.