Home / 10,890,469.80-16,335,704.70-9,714,738.60

Finding the Fourth Proportional to 10,890,469.80, 16,335,704.70 and 9,714,738.60

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Solution

The fourth proportional to 10,890,469.80, 16,335,704.70 and 9,714,738.60 is: 14,572,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,469.80 : 16,335,704.70 = 9,714,738.60 : x
  2. Step 2: Convert to fraction form
    10,890,469.80/16,335,704.70 = 9,714,738.60/x
  3. Step 3: Cross multiply
    10,890,469.80x = 16,335,704.70 × 9,714,738.60
  4. Step 4: Simplify right side
    10,890,469.80x = 158,697,101,007,291.41
  5. Step 5: Solve for x
    x = 158,697,101,007,291.41/10,890,469.80
  6. Step 6: Final answer
    x = 14,572,107.90

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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.