Home / 22,440,198.31-30,968,861.44-12,381,648.11

Finding the Fourth Proportional to 22,440,198.31, 30,968,861.44 and 12,381,648.11

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Solution

The fourth proportional to 22,440,198.31, 30,968,861.44 and 12,381,648.11 is: 17,087,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440,198.31 : 30,968,861.44 = 12,381,648.11 : x
  2. Step 2: Convert to fraction form
    22,440,198.31/30,968,861.44 = 12,381,648.11/x
  3. Step 3: Cross multiply
    22,440,198.31x = 30,968,861.44 × 12,381,648.11
  4. Step 4: Simplify right side
    22,440,198.31x = 383,445,544,763,895.94
  5. Step 5: Solve for x
    x = 383,445,544,763,895.94/22,440,198.31
  6. Step 6: Final answer
    x = 17,087,440.12

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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.