Home / 8,399,207.61-12,600,813.74-2,719,433.61

Finding the Fourth Proportional to 8,399,207.61, 12,600,813.74 and 2,719,433.61

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Solution

The fourth proportional to 8,399,207.61, 12,600,813.74 and 2,719,433.61 is: 4,079,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,207.61 : 12,600,813.74 = 2,719,433.61 : x
  2. Step 2: Convert to fraction form
    8,399,207.61/12,600,813.74 = 2,719,433.61/x
  3. Step 3: Cross multiply
    8,399,207.61x = 12,600,813.74 × 2,719,433.61
  4. Step 4: Simplify right side
    8,399,207.61x = 34,267,076,397,905.80
  5. Step 5: Solve for x
    x = 34,267,076,397,905.80/8,399,207.61
  6. Step 6: Final answer
    x = 4,079,798.71

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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.