Home / 7,477,517.06-11,211,790.80-3,428,933.12

Finding the Fourth Proportional to 7,477,517.06, 11,211,790.80 and 3,428,933.12

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Solution

The fourth proportional to 7,477,517.06, 11,211,790.80 and 3,428,933.12 is: 5,141,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,517.06 : 11,211,790.80 = 3,428,933.12 : x
  2. Step 2: Convert to fraction form
    7,477,517.06/11,211,790.80 = 3,428,933.12/x
  3. Step 3: Cross multiply
    7,477,517.06x = 11,211,790.80 × 3,428,933.12
  4. Step 4: Simplify right side
    7,477,517.06x = 38,444,480,808,631.30
  5. Step 5: Solve for x
    x = 38,444,480,808,631.30/7,477,517.06
  6. Step 6: Final answer
    x = 5,141,343.11

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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.