Home / 21,856,247.84-30,165,166.32-12,694,205.36

Finding the Fourth Proportional to 21,856,247.84, 30,165,166.32 and 12,694,205.36

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Solution

The fourth proportional to 21,856,247.84, 30,165,166.32 and 12,694,205.36 is: 17,520,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,247.84 : 30,165,166.32 = 12,694,205.36 : x
  2. Step 2: Convert to fraction form
    21,856,247.84/30,165,166.32 = 12,694,205.36/x
  3. Step 3: Cross multiply
    21,856,247.84x = 30,165,166.32 × 12,694,205.36
  4. Step 4: Simplify right side
    21,856,247.84x = 382,922,815,984,635.44
  5. Step 5: Solve for x
    x = 382,922,815,984,635.44/21,856,247.84
  6. Step 6: Final answer
    x = 17,520,061.94

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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.