Home / 8,117,172.60-12,175,755.12-3,259,477.32

Finding the Fourth Proportional to 8,117,172.60, 12,175,755.12 and 3,259,477.32

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Solution

The fourth proportional to 8,117,172.60, 12,175,755.12 and 3,259,477.32 is: 4,889,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117,172.60 : 12,175,755.12 = 3,259,477.32 : x
  2. Step 2: Convert to fraction form
    8,117,172.60/12,175,755.12 = 3,259,477.32/x
  3. Step 3: Cross multiply
    8,117,172.60x = 12,175,755.12 × 3,259,477.32
  4. Step 4: Simplify right side
    8,117,172.60x = 39,686,597,667,513.88
  5. Step 5: Solve for x
    x = 39,686,597,667,513.88/8,117,172.60
  6. Step 6: Final answer
    x = 4,889,214.46

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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.