Home / 8,389,172.53-12,578,664.30-5,473,431.33

Finding the Fourth Proportional to 8,389,172.53, 12,578,664.30 and 5,473,431.33

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Solution

The fourth proportional to 8,389,172.53, 12,578,664.30 and 5,473,431.33 is: 8,206,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,172.53 : 12,578,664.30 = 5,473,431.33 : x
  2. Step 2: Convert to fraction form
    8,389,172.53/12,578,664.30 = 5,473,431.33/x
  3. Step 3: Cross multiply
    8,389,172.53x = 12,578,664.30 × 5,473,431.33
  4. Step 4: Simplify right side
    8,389,172.53x = 68,848,455,232,265.22
  5. Step 5: Solve for x
    x = 68,848,455,232,265.22/8,389,172.53
  6. Step 6: Final answer
    x = 8,206,823.14

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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.