Home / 19,197,007.20-28,795,510.80-12,394,562.40

Finding the Fourth Proportional to 19,197,007.20, 28,795,510.80 and 12,394,562.40

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Solution

The fourth proportional to 19,197,007.20, 28,795,510.80 and 12,394,562.40 is: 18,591,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197,007.20 : 28,795,510.80 = 12,394,562.40 : x
  2. Step 2: Convert to fraction form
    19,197,007.20/28,795,510.80 = 12,394,562.40/x
  3. Step 3: Cross multiply
    19,197,007.20x = 28,795,510.80 × 12,394,562.40
  4. Step 4: Simplify right side
    19,197,007.20x = 356,907,755,450,473.94
  5. Step 5: Solve for x
    x = 356,907,755,450,473.94/19,197,007.20
  6. Step 6: Final answer
    x = 18,591,843.60

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Similar ratio
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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.