Home / 12,240,823.01-18,360,570.42-3,720,495.15

Finding the Fourth Proportional to 12,240,823.01, 18,360,570.42 and 3,720,495.15

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Solution

The fourth proportional to 12,240,823.01, 18,360,570.42 and 3,720,495.15 is: 5,580,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,823.01 : 18,360,570.42 = 3,720,495.15 : x
  2. Step 2: Convert to fraction form
    12,240,823.01/18,360,570.42 = 3,720,495.15/x
  3. Step 3: Cross multiply
    12,240,823.01x = 18,360,570.42 × 3,720,495.15
  4. Step 4: Simplify right side
    12,240,823.01x = 68,310,413,198,843.47
  5. Step 5: Solve for x
    x = 68,310,413,198,843.47/12,240,823.01
  6. Step 6: Final answer
    x = 5,580,540.88

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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.