Home / 8,105,381.10-12,156,516.45-2,425,790.70

Finding the Fourth Proportional to 8,105,381.10, 12,156,516.45 and 2,425,790.70

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Solution

The fourth proportional to 8,105,381.10, 12,156,516.45 and 2,425,790.70 is: 3,638,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105,381.10 : 12,156,516.45 = 2,425,790.70 : x
  2. Step 2: Convert to fraction form
    8,105,381.10/12,156,516.45 = 2,425,790.70/x
  3. Step 3: Cross multiply
    8,105,381.10x = 12,156,516.45 × 2,425,790.70
  4. Step 4: Simplify right side
    8,105,381.10x = 29,489,164,548,807.02
  5. Step 5: Solve for x
    x = 29,489,164,548,807.02/8,105,381.10
  6. Step 6: Final answer
    x = 3,638,220.61

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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.