Home / 7,647,008.21-11,470,512.45-2,855,071.16

Finding the Fourth Proportional to 7,647,008.21, 11,470,512.45 and 2,855,071.16

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Solution

The fourth proportional to 7,647,008.21, 11,470,512.45 and 2,855,071.16 is: 4,282,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,008.21 : 11,470,512.45 = 2,855,071.16 : x
  2. Step 2: Convert to fraction form
    7,647,008.21/11,470,512.45 = 2,855,071.16/x
  3. Step 3: Cross multiply
    7,647,008.21x = 11,470,512.45 × 2,855,071.16
  4. Step 4: Simplify right side
    7,647,008.21x = 32,749,129,286,415.94
  5. Step 5: Solve for x
    x = 32,749,129,286,415.94/7,647,008.21
  6. Step 6: Final answer
    x = 4,282,606.79

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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.