Home / 12,245,281.70-18,370,579.86-3,725,396.78

Finding the Fourth Proportional to 12,245,281.70, 18,370,579.86 and 3,725,396.78

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Solution

The fourth proportional to 12,245,281.70, 18,370,579.86 and 3,725,396.78 is: 5,588,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245,281.70 : 18,370,579.86 = 3,725,396.78 : x
  2. Step 2: Convert to fraction form
    12,245,281.70/18,370,579.86 = 3,725,396.78/x
  3. Step 3: Cross multiply
    12,245,281.70x = 18,370,579.86 × 3,725,396.78
  4. Step 4: Simplify right side
    12,245,281.70x = 68,437,699,057,176.84
  5. Step 5: Solve for x
    x = 68,437,699,057,176.84/12,245,281.70
  6. Step 6: Final answer
    x = 5,588,903.61

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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.