Home / 8,122,356.80-11,207,431.32-4,636,103.84

Finding the Fourth Proportional to 8,122,356.80, 11,207,431.32 and 4,636,103.84

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Solution

The fourth proportional to 8,122,356.80, 11,207,431.32 and 4,636,103.84 is: 6,397,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,356.80 : 11,207,431.32 = 4,636,103.84 : x
  2. Step 2: Convert to fraction form
    8,122,356.80/11,207,431.32 = 4,636,103.84/x
  3. Step 3: Cross multiply
    8,122,356.80x = 11,207,431.32 × 4,636,103.84
  4. Step 4: Simplify right side
    8,122,356.80x = 51,958,815,379,188.27
  5. Step 5: Solve for x
    x = 51,958,815,379,188.27/8,122,356.80
  6. Step 6: Final answer
    x = 6,397,012.18

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1.5x scale

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.