Home / 28,560,190.80-39,413,110-15,507,474.96

Finding the Fourth Proportional to 28,560,190.80, 39,413,110 and 15,507,474.96

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Solution

The fourth proportional to 28,560,190.80, 39,413,110 and 15,507,474.96 is: 21,400,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,190.80 : 39,413,110 = 15,507,474.96 : x
  2. Step 2: Convert to fraction form
    28,560,190.80/39,413,110 = 15,507,474.96/x
  3. Step 3: Cross multiply
    28,560,190.80x = 39,413,110 × 15,507,474.96
  4. Step 4: Simplify right side
    28,560,190.80x = 611,197,816,420,725.62
  5. Step 5: Solve for x
    x = 611,197,816,420,725.62/28,560,190.80
  6. Step 6: Final answer
    x = 21,400,340.80

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1.5x scale

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.