Home / 12,481,479.30-18,723,968.55-4,906,683.30

Finding the Fourth Proportional to 12,481,479.30, 18,723,968.55 and 4,906,683.30

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Solution

The fourth proportional to 12,481,479.30, 18,723,968.55 and 4,906,683.30 is: 7,360,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,479.30 : 18,723,968.55 = 4,906,683.30 : x
  2. Step 2: Convert to fraction form
    12,481,479.30/18,723,968.55 = 4,906,683.30/x
  3. Step 3: Cross multiply
    12,481,479.30x = 18,723,968.55 × 4,906,683.30
  4. Step 4: Simplify right side
    12,481,479.30x = 91,872,583,794,010.22
  5. Step 5: Solve for x
    x = 91,872,583,794,010.22/12,481,479.30
  6. Step 6: Final answer
    x = 7,360,712.75

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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.