Home / 21,470,313.82-29,629,161.93-11,680,828.24

Finding the Fourth Proportional to 21,470,313.82, 29,629,161.93 and 11,680,828.24

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Solution

The fourth proportional to 21,470,313.82, 29,629,161.93 and 11,680,828.24 is: 16,119,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,470,313.82 : 29,629,161.93 = 11,680,828.24 : x
  2. Step 2: Convert to fraction form
    21,470,313.82/29,629,161.93 = 11,680,828.24/x
  3. Step 3: Cross multiply
    21,470,313.82x = 29,629,161.93 × 11,680,828.24
  4. Step 4: Simplify right side
    21,470,313.82x = 346,093,151,399,476.94
  5. Step 5: Solve for x
    x = 346,093,151,399,476.94/21,470,313.82
  6. Step 6: Final answer
    x = 16,119,613.08

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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.