Home / 21,699,664.68-29,945,497.51-12,407,409.23

Finding the Fourth Proportional to 21,699,664.68, 29,945,497.51 and 12,407,409.23

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Solution

The fourth proportional to 21,699,664.68, 29,945,497.51 and 12,407,409.23 is: 17,122,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699,664.68 : 29,945,497.51 = 12,407,409.23 : x
  2. Step 2: Convert to fraction form
    21,699,664.68/29,945,497.51 = 12,407,409.23/x
  3. Step 3: Cross multiply
    21,699,664.68x = 29,945,497.51 × 12,407,409.23
  4. Step 4: Simplify right side
    21,699,664.68x = 371,546,042,202,516.06
  5. Step 5: Solve for x
    x = 371,546,042,202,516.06/21,699,664.68
  6. Step 6: Final answer
    x = 17,122,202.01

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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.