Home / 8,072,531.72-12,096,835.53-6,643,370.61

Finding the Fourth Proportional to 8,072,531.72, 12,096,835.53 and 6,643,370.61

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Solution

The fourth proportional to 8,072,531.72, 12,096,835.53 and 6,643,370.61 is: 9,955,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,531.72 : 12,096,835.53 = 6,643,370.61 : x
  2. Step 2: Convert to fraction form
    8,072,531.72/12,096,835.53 = 6,643,370.61/x
  3. Step 3: Cross multiply
    8,072,531.72x = 12,096,835.53 × 6,643,370.61
  4. Step 4: Simplify right side
    8,072,531.72x = 80,363,761,634,005.77
  5. Step 5: Solve for x
    x = 80,363,761,634,005.77/8,072,531.72
  6. Step 6: Final answer
    x = 9,955,211.63

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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.