Home / 13,664,868.72-20,490,331.68-4,563,687.84

Finding the Fourth Proportional to 13,664,868.72, 20,490,331.68 and 4,563,687.84

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Solution

The fourth proportional to 13,664,868.72, 20,490,331.68 and 4,563,687.84 is: 6,843,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,868.72 : 20,490,331.68 = 4,563,687.84 : x
  2. Step 2: Convert to fraction form
    13,664,868.72/20,490,331.68 = 4,563,687.84/x
  3. Step 3: Cross multiply
    13,664,868.72x = 20,490,331.68 × 4,563,687.84
  4. Step 4: Simplify right side
    13,664,868.72x = 93,511,477,525,582.77
  5. Step 5: Solve for x
    x = 93,511,477,525,582.77/13,664,868.72
  6. Step 6: Final answer
    x = 6,843,203.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.