Home / 8,722,689.21-12,037,311.45-4,855,127.54

Finding the Fourth Proportional to 8,722,689.21, 12,037,311.45 and 4,855,127.54

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Solution

The fourth proportional to 8,722,689.21, 12,037,311.45 and 4,855,127.54 is: 6,700,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722,689.21 : 12,037,311.45 = 4,855,127.54 : x
  2. Step 2: Convert to fraction form
    8,722,689.21/12,037,311.45 = 4,855,127.54/x
  3. Step 3: Cross multiply
    8,722,689.21x = 12,037,311.45 × 4,855,127.54
  4. Step 4: Simplify right side
    8,722,689.21x = 58,442,682,268,265.77
  5. Step 5: Solve for x
    x = 58,442,682,268,265.77/8,722,689.21
  6. Step 6: Final answer
    x = 6,700,076.19

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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.