Home / 21,988,647.73-30,344,735.07-12,066,042.31

Finding the Fourth Proportional to 21,988,647.73, 30,344,735.07 and 12,066,042.31

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Solution

The fourth proportional to 21,988,647.73, 30,344,735.07 and 12,066,042.31 is: 16,651,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,647.73 : 30,344,735.07 = 12,066,042.31 : x
  2. Step 2: Convert to fraction form
    21,988,647.73/30,344,735.07 = 12,066,042.31/x
  3. Step 3: Cross multiply
    21,988,647.73x = 30,344,735.07 × 12,066,042.31
  4. Step 4: Simplify right side
    21,988,647.73x = 366,140,857,240,360.81
  5. Step 5: Solve for x
    x = 366,140,857,240,360.81/21,988,647.73
  6. Step 6: Final answer
    x = 16,651,358.54

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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.