Home / 12,282,504.32-18,439,721.64-9,444,609.44

Finding the Fourth Proportional to 12,282,504.32, 18,439,721.64 and 9,444,609.44

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Solution

The fourth proportional to 12,282,504.32, 18,439,721.64 and 9,444,609.44 is: 14,179,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,504.32 : 18,439,721.64 = 9,444,609.44 : x
  2. Step 2: Convert to fraction form
    12,282,504.32/18,439,721.64 = 9,444,609.44/x
  3. Step 3: Cross multiply
    12,282,504.32x = 18,439,721.64 × 9,444,609.44
  4. Step 4: Simplify right side
    12,282,504.32x = 174,155,969,072,116.28
  5. Step 5: Solve for x
    x = 174,155,969,072,116.28/12,282,504.32
  6. Step 6: Final answer
    x = 14,179,190.54

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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.