Home / 22,421,754.45-30,942,021.06-12,108,476.97

Finding the Fourth Proportional to 22,421,754.45, 30,942,021.06 and 12,108,476.97

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Solution

The fourth proportional to 22,421,754.45, 30,942,021.06 and 12,108,476.97 is: 16,709,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,754.45 : 30,942,021.06 = 12,108,476.97 : x
  2. Step 2: Convert to fraction form
    22,421,754.45/30,942,021.06 = 12,108,476.97/x
  3. Step 3: Cross multiply
    22,421,754.45x = 30,942,021.06 × 12,108,476.97
  4. Step 4: Simplify right side
    22,421,754.45x = 374,660,749,410,265
  5. Step 5: Solve for x
    x = 374,660,749,410,265/22,421,754.45
  6. Step 6: Final answer
    x = 16,709,698.17

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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.