Home / 15,088,991.69-20,823,311.50-8,474,745.74

Finding the Fourth Proportional to 15,088,991.69, 20,823,311.50 and 8,474,745.74

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Solution

The fourth proportional to 15,088,991.69, 20,823,311.50 and 8,474,745.74 is: 11,695,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088,991.69 : 20,823,311.50 = 8,474,745.74 : x
  2. Step 2: Convert to fraction form
    15,088,991.69/20,823,311.50 = 8,474,745.74/x
  3. Step 3: Cross multiply
    15,088,991.69x = 20,823,311.50 × 8,474,745.74
  4. Step 4: Simplify right side
    15,088,991.69x = 176,472,270,427,318
  5. Step 5: Solve for x
    x = 176,472,270,427,318/15,088,991.69
  6. Step 6: Final answer
    x = 11,695,431.61

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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.