Home / 12,285,847.34-16,960,607.38-7,641,129.54

Finding the Fourth Proportional to 12,285,847.34, 16,960,607.38 and 7,641,129.54

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Solution

The fourth proportional to 12,285,847.34, 16,960,607.38 and 7,641,129.54 is: 10,548,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,847.34 : 16,960,607.38 = 7,641,129.54 : x
  2. Step 2: Convert to fraction form
    12,285,847.34/16,960,607.38 = 7,641,129.54/x
  3. Step 3: Cross multiply
    12,285,847.34x = 16,960,607.38 × 7,641,129.54
  4. Step 4: Simplify right side
    12,285,847.34x = 129,598,198,067,660
  5. Step 5: Solve for x
    x = 129,598,198,067,660/12,285,847.34
  6. Step 6: Final answer
    x = 10,548,576.30

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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.