Home / 10,015,288.05-15,022,932.08-9,908,999.85

Finding the Fourth Proportional to 10,015,288.05, 15,022,932.08 and 9,908,999.85

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Solution

The fourth proportional to 10,015,288.05, 15,022,932.08 and 9,908,999.85 is: 14,863,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015,288.05 : 15,022,932.08 = 9,908,999.85 : x
  2. Step 2: Convert to fraction form
    10,015,288.05/15,022,932.08 = 9,908,999.85/x
  3. Step 3: Cross multiply
    10,015,288.05x = 15,022,932.08 × 9,908,999.85
  4. Step 4: Simplify right side
    10,015,288.05x = 148,862,231,677,735.19
  5. Step 5: Solve for x
    x = 148,862,231,677,735.19/10,015,288.05
  6. Step 6: Final answer
    x = 14,863,499.78

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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.