Home / 12,022,078.49-16,590,425.83-6,515,586.98

Finding the Fourth Proportional to 12,022,078.49, 16,590,425.83 and 6,515,586.98

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Solution

The fourth proportional to 12,022,078.49, 16,590,425.83 and 6,515,586.98 is: 8,991,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022,078.49 : 16,590,425.83 = 6,515,586.98 : x
  2. Step 2: Convert to fraction form
    12,022,078.49/16,590,425.83 = 6,515,586.98/x
  3. Step 3: Cross multiply
    12,022,078.49x = 16,590,425.83 × 6,515,586.98
  4. Step 4: Simplify right side
    12,022,078.49x = 108,096,362,530,603.70
  5. Step 5: Solve for x
    x = 108,096,362,530,603.70/12,022,078.49
  6. Step 6: Final answer
    x = 8,991,487.01

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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.