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Finding the Fourth Proportional to 22,481,669.96, 31,024,797.96 and 12,168,393.04

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Solution

The fourth proportional to 22,481,669.96, 31,024,797.96 and 12,168,393.04 is: 16,792,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481,669.96 : 31,024,797.96 = 12,168,393.04 : x
  2. Step 2: Convert to fraction form
    22,481,669.96/31,024,797.96 = 12,168,393.04/x
  3. Step 3: Cross multiply
    22,481,669.96x = 31,024,797.96 × 12,168,393.04
  4. Step 4: Simplify right side
    22,481,669.96x = 377,521,935,563,870.19
  5. Step 5: Solve for x
    x = 377,521,935,563,870.19/22,481,669.96
  6. Step 6: Final answer
    x = 16,792,432.96

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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.