Home / 8,311,799.89-12,467,699.10-4,212,482.45

Finding the Fourth Proportional to 8,311,799.89, 12,467,699.10 and 4,212,482.45

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Solution

The fourth proportional to 8,311,799.89, 12,467,699.10 and 4,212,482.45 is: 6,318,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,799.89 : 12,467,699.10 = 4,212,482.45 : x
  2. Step 2: Convert to fraction form
    8,311,799.89/12,467,699.10 = 4,212,482.45/x
  3. Step 3: Cross multiply
    8,311,799.89x = 12,467,699.10 × 4,212,482.45
  4. Step 4: Simplify right side
    8,311,799.89x = 52,519,963,629,568.39
  5. Step 5: Solve for x
    x = 52,519,963,629,568.39/8,311,799.89
  6. Step 6: Final answer
    x = 6,318,723.30

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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.