Home / 12,293,621.20-18,440,431.80-5,916,329.20

Finding the Fourth Proportional to 12,293,621.20, 18,440,431.80 and 5,916,329.20

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Solution

The fourth proportional to 12,293,621.20, 18,440,431.80 and 5,916,329.20 is: 8,874,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,621.20 : 18,440,431.80 = 5,916,329.20 : x
  2. Step 2: Convert to fraction form
    12,293,621.20/18,440,431.80 = 5,916,329.20/x
  3. Step 3: Cross multiply
    12,293,621.20x = 18,440,431.80 × 5,916,329.20
  4. Step 4: Simplify right side
    12,293,621.20x = 109,099,665,118,948.56
  5. Step 5: Solve for x
    x = 109,099,665,118,948.56/12,293,621.20
  6. Step 6: Final answer
    x = 8,874,493.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.