Home / 7,477,343.77-11,211,531.08-3,428,759.81

Finding the Fourth Proportional to 7,477,343.77, 11,211,531.08 and 3,428,759.81

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Solution

The fourth proportional to 7,477,343.77, 11,211,531.08 and 3,428,759.81 is: 5,141,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,343.77 : 11,211,531.08 = 3,428,759.81 : x
  2. Step 2: Convert to fraction form
    7,477,343.77/11,211,531.08 = 3,428,759.81/x
  3. Step 3: Cross multiply
    7,477,343.77x = 11,211,531.08 × 3,428,759.81
  4. Step 4: Simplify right side
    7,477,343.77x = 38,441,647,175,669.90
  5. Step 5: Solve for x
    x = 38,441,647,175,669.90/7,477,343.77
  6. Step 6: Final answer
    x = 5,141,083.30

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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.