Home / 8,145,902.70-12,208,356.45-6,243,212.70

Finding the Fourth Proportional to 8,145,902.70, 12,208,356.45 and 6,243,212.70

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Solution

The fourth proportional to 8,145,902.70, 12,208,356.45 and 6,243,212.70 is: 9,356,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,902.70 : 12,208,356.45 = 6,243,212.70 : x
  2. Step 2: Convert to fraction form
    8,145,902.70/12,208,356.45 = 6,243,212.70/x
  3. Step 3: Cross multiply
    8,145,902.70x = 12,208,356.45 × 6,243,212.70
  4. Step 4: Simplify right side
    8,145,902.70x = 76,219,366,034,766.91
  5. Step 5: Solve for x
    x = 76,219,366,034,766.91/8,145,902.70
  6. Step 6: Final answer
    x = 9,356,773.44

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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.