Home / 13,081,887.86-19,621,334.48-3,498,013.71

Finding the Fourth Proportional to 13,081,887.86, 19,621,334.48 and 3,498,013.71

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Solution

The fourth proportional to 13,081,887.86, 19,621,334.48 and 3,498,013.71 is: 5,246,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,887.86 : 19,621,334.48 = 3,498,013.71 : x
  2. Step 2: Convert to fraction form
    13,081,887.86/19,621,334.48 = 3,498,013.71/x
  3. Step 3: Cross multiply
    13,081,887.86x = 19,621,334.48 × 3,498,013.71
  4. Step 4: Simplify right side
    13,081,887.86x = 68,635,697,002,045.66
  5. Step 5: Solve for x
    x = 68,635,697,002,045.66/13,081,887.86
  6. Step 6: Final answer
    x = 5,246,620.19

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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.