Home / 21,410,006.87-29,545,018.92-11,620,240.83

Finding the Fourth Proportional to 21,410,006.87, 29,545,018.92 and 11,620,240.83

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Solution

The fourth proportional to 21,410,006.87, 29,545,018.92 and 11,620,240.83 is: 16,035,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,006.87 : 29,545,018.92 = 11,620,240.83 : x
  2. Step 2: Convert to fraction form
    21,410,006.87/29,545,018.92 = 11,620,240.83/x
  3. Step 3: Cross multiply
    21,410,006.87x = 29,545,018.92 × 11,620,240.83
  4. Step 4: Simplify right side
    21,410,006.87x = 343,320,235,177,306.50
  5. Step 5: Solve for x
    x = 343,320,235,177,306.50/21,410,006.87
  6. Step 6: Final answer
    x = 16,035,503.27

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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.