Home / 28,481,050.80-42,721,576.20-6,915,507.24

Finding the Fourth Proportional to 28,481,050.80, 42,721,576.20 and 6,915,507.24

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Solution

The fourth proportional to 28,481,050.80, 42,721,576.20 and 6,915,507.24 is: 10,373,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481,050.80 : 42,721,576.20 = 6,915,507.24 : x
  2. Step 2: Convert to fraction form
    28,481,050.80/42,721,576.20 = 6,915,507.24/x
  3. Step 3: Cross multiply
    28,481,050.80x = 42,721,576.20 × 6,915,507.24
  4. Step 4: Simplify right side
    28,481,050.80x = 295,441,369,515,311.69
  5. Step 5: Solve for x
    x = 295,441,369,515,311.69/28,481,050.80
  6. Step 6: Final answer
    x = 10,373,260.86

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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.