Home / 13,310,018.66-18,367,825.74-7,198,447.16

Finding the Fourth Proportional to 13,310,018.66, 18,367,825.74 and 7,198,447.16

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Solution

The fourth proportional to 13,310,018.66, 18,367,825.74 and 7,198,447.16 is: 9,933,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,018.66 : 18,367,825.74 = 7,198,447.16 : x
  2. Step 2: Convert to fraction form
    13,310,018.66/18,367,825.74 = 7,198,447.16/x
  3. Step 3: Cross multiply
    13,310,018.66x = 18,367,825.74 × 7,198,447.16
  4. Step 4: Simplify right side
    13,310,018.66x = 132,219,823,033,477.89
  5. Step 5: Solve for x
    x = 132,219,823,033,477.89/13,310,018.66
  6. Step 6: Final answer
    x = 9,933,857.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.