Home / 15,143,096.99-20,897,365.69-8,267,578.85

Finding the Fourth Proportional to 15,143,096.99, 20,897,365.69 and 8,267,578.85

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Solution

The fourth proportional to 15,143,096.99, 20,897,365.69 and 8,267,578.85 is: 11,409,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,096.99 : 20,897,365.69 = 8,267,578.85 : x
  2. Step 2: Convert to fraction form
    15,143,096.99/20,897,365.69 = 8,267,578.85/x
  3. Step 3: Cross multiply
    15,143,096.99x = 20,897,365.69 × 8,267,578.85
  4. Step 4: Simplify right side
    15,143,096.99x = 172,770,618,599,359.66
  5. Step 5: Solve for x
    x = 172,770,618,599,359.66/15,143,096.99
  6. Step 6: Final answer
    x = 11,409,199.76

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1.5x scale

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.