Home / 12,250,172.32-18,379,120.50-5,772,986.08

Finding the Fourth Proportional to 12,250,172.32, 18,379,120.50 and 5,772,986.08

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Solution

The fourth proportional to 12,250,172.32, 18,379,120.50 and 5,772,986.08 is: 8,661,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,172.32 : 18,379,120.50 = 5,772,986.08 : x
  2. Step 2: Convert to fraction form
    12,250,172.32/18,379,120.50 = 5,772,986.08/x
  3. Step 3: Cross multiply
    12,250,172.32x = 18,379,120.50 × 5,772,986.08
  4. Step 4: Simplify right side
    12,250,172.32x = 106,102,406,809,142.64
  5. Step 5: Solve for x
    x = 106,102,406,809,142.64/12,250,172.32
  6. Step 6: Final answer
    x = 8,661,299.13

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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.