Home / 6,638,708.16-9,162,564.48-3,847,441.68

Finding the Fourth Proportional to 6,638,708.16, 9,162,564.48 and 3,847,441.68

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Solution

The fourth proportional to 6,638,708.16, 9,162,564.48 and 3,847,441.68 is: 5,310,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,708.16 : 9,162,564.48 = 3,847,441.68 : x
  2. Step 2: Convert to fraction form
    6,638,708.16/9,162,564.48 = 3,847,441.68/x
  3. Step 3: Cross multiply
    6,638,708.16x = 9,162,564.48 × 3,847,441.68
  4. Step 4: Simplify right side
    6,638,708.16x = 35,252,432,476,039.53
  5. Step 5: Solve for x
    x = 35,252,432,476,039.53/6,638,708.16
  6. Step 6: Final answer
    x = 5,310,134.39

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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.