Home / 10,036,939.50-15,022,836.45-5,419,506.83

Finding the Fourth Proportional to 10,036,939.50, 15,022,836.45 and 5,419,506.83

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Solution

The fourth proportional to 10,036,939.50, 15,022,836.45 and 5,419,506.83 is: 8,111,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036,939.50 : 15,022,836.45 = 5,419,506.83 : x
  2. Step 2: Convert to fraction form
    10,036,939.50/15,022,836.45 = 5,419,506.83/x
  3. Step 3: Cross multiply
    10,036,939.50x = 15,022,836.45 × 5,419,506.83
  4. Step 4: Simplify right side
    10,036,939.50x = 81,416,364,671,633.77
  5. Step 5: Solve for x
    x = 81,416,364,671,633.77/10,036,939.50
  6. Step 6: Final answer
    x = 8,111,672.36

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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.