Home / 13,081,345.20-19,622,017.80-8,042,497.20

Finding the Fourth Proportional to 13,081,345.20, 19,622,017.80 and 8,042,497.20

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Solution

The fourth proportional to 13,081,345.20, 19,622,017.80 and 8,042,497.20 is: 12,063,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,345.20 : 19,622,017.80 = 8,042,497.20 : x
  2. Step 2: Convert to fraction form
    13,081,345.20/19,622,017.80 = 8,042,497.20/x
  3. Step 3: Cross multiply
    13,081,345.20x = 19,622,017.80 × 8,042,497.20
  4. Step 4: Simplify right side
    13,081,345.20x = 157,810,023,214,850.16
  5. Step 5: Solve for x
    x = 157,810,023,214,850.16/13,081,345.20
  6. Step 6: Final answer
    x = 12,063,745.80

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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.