Home / 21,067,314.63-29,072,894.18-11,409,522.63

Finding the Fourth Proportional to 21,067,314.63, 29,072,894.18 and 11,409,522.63

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Solution

The fourth proportional to 21,067,314.63, 29,072,894.18 and 11,409,522.63 is: 15,745,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067,314.63 : 29,072,894.18 = 11,409,522.63 : x
  2. Step 2: Convert to fraction form
    21,067,314.63/29,072,894.18 = 11,409,522.63/x
  3. Step 3: Cross multiply
    21,067,314.63x = 29,072,894.18 × 11,409,522.63
  4. Step 4: Simplify right side
    21,067,314.63x = 331,707,844,066,305.31
  5. Step 5: Solve for x
    x = 331,707,844,066,305.31/21,067,314.63
  6. Step 6: Final answer
    x = 15,745,141.22

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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.