Home / 6,399,645.84-8,832,056.40-3,647,175.12

Finding the Fourth Proportional to 6,399,645.84, 8,832,056.40 and 3,647,175.12

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Solution

The fourth proportional to 6,399,645.84, 8,832,056.40 and 3,647,175.12 is: 5,033,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,645.84 : 8,832,056.40 = 3,647,175.12 : x
  2. Step 2: Convert to fraction form
    6,399,645.84/8,832,056.40 = 3,647,175.12/x
  3. Step 3: Cross multiply
    6,399,645.84x = 8,832,056.40 × 3,647,175.12
  4. Step 4: Simplify right side
    6,399,645.84x = 32,212,056,360,516.77
  5. Step 5: Solve for x
    x = 32,212,056,360,516.77/6,399,645.84
  6. Step 6: Final answer
    x = 5,033,412.34

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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.