Home / 21,922,351.66-30,252,622.35-12,132,814.78

Finding the Fourth Proportional to 21,922,351.66, 30,252,622.35 and 12,132,814.78

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Solution

The fourth proportional to 21,922,351.66, 30,252,622.35 and 12,132,814.78 is: 16,743,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922,351.66 : 30,252,622.35 = 12,132,814.78 : x
  2. Step 2: Convert to fraction form
    21,922,351.66/30,252,622.35 = 12,132,814.78/x
  3. Step 3: Cross multiply
    21,922,351.66x = 30,252,622.35 × 12,132,814.78
  4. Step 4: Simplify right side
    21,922,351.66x = 367,049,463,581,838.31
  5. Step 5: Solve for x
    x = 367,049,463,581,838.31/21,922,351.66
  6. Step 6: Final answer
    x = 16,743,161.01

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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.