Home / 21,855,831.13-30,161,091.73-12,066,294.25

Finding the Fourth Proportional to 21,855,831.13, 30,161,091.73 and 12,066,294.25

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Solution

The fourth proportional to 21,855,831.13, 30,161,091.73 and 12,066,294.25 is: 16,651,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,831.13 : 30,161,091.73 = 12,066,294.25 : x
  2. Step 2: Convert to fraction form
    21,855,831.13/30,161,091.73 = 12,066,294.25/x
  3. Step 3: Cross multiply
    21,855,831.13x = 30,161,091.73 × 12,066,294.25
  4. Step 4: Simplify right side
    21,855,831.13x = 363,932,607,609,867.88
  5. Step 5: Solve for x
    x = 363,932,607,609,867.88/21,855,831.13
  6. Step 6: Final answer
    x = 16,651,510.78

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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.