Home / 5,215,851.63-7,813,007.69-3,869,534.43

Finding the Fourth Proportional to 5,215,851.63, 7,813,007.69 and 3,869,534.43

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Solution

The fourth proportional to 5,215,851.63, 7,813,007.69 and 3,869,534.43 is: 5,796,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,851.63 : 7,813,007.69 = 3,869,534.43 : x
  2. Step 2: Convert to fraction form
    5,215,851.63/7,813,007.69 = 3,869,534.43/x
  3. Step 3: Cross multiply
    5,215,851.63x = 7,813,007.69 × 3,869,534.43
  4. Step 4: Simplify right side
    5,215,851.63x = 30,232,702,238,962.09
  5. Step 5: Solve for x
    x = 30,232,702,238,962.09/5,215,851.63
  6. Step 6: Final answer
    x = 5,796,311.78

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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.