Home / 18,144,999.80-27,217,499.70-16,940,400.20

Finding the Fourth Proportional to 18,144,999.80, 27,217,499.70 and 16,940,400.20

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Solution

The fourth proportional to 18,144,999.80, 27,217,499.70 and 16,940,400.20 is: 25,410,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,999.80 : 27,217,499.70 = 16,940,400.20 : x
  2. Step 2: Convert to fraction form
    18,144,999.80/27,217,499.70 = 16,940,400.20/x
  3. Step 3: Cross multiply
    18,144,999.80x = 27,217,499.70 × 16,940,400.20
  4. Step 4: Simplify right side
    18,144,999.80x = 461,075,337,361,379.94
  5. Step 5: Solve for x
    x = 461,075,337,361,379.94/18,144,999.80
  6. Step 6: Final answer
    x = 25,410,600.30

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1.5x scale

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.