Home / 8,156,558.12-11,255,864.82-4,435,307.72

Finding the Fourth Proportional to 8,156,558.12, 11,255,864.82 and 4,435,307.72

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Solution

The fourth proportional to 8,156,558.12, 11,255,864.82 and 4,435,307.72 is: 6,120,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156,558.12 : 11,255,864.82 = 4,435,307.72 : x
  2. Step 2: Convert to fraction form
    8,156,558.12/11,255,864.82 = 4,435,307.72/x
  3. Step 3: Cross multiply
    8,156,558.12x = 11,255,864.82 × 4,435,307.72
  4. Step 4: Simplify right side
    8,156,558.12x = 49,923,224,131,422.41
  5. Step 5: Solve for x
    x = 49,923,224,131,422.41/8,156,558.12
  6. Step 6: Final answer
    x = 6,120,623.85

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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.