Home / 14,193,143.70-21,289,715.55-8,202,513.30

Finding the Fourth Proportional to 14,193,143.70, 21,289,715.55 and 8,202,513.30

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Solution

The fourth proportional to 14,193,143.70, 21,289,715.55 and 8,202,513.30 is: 12,303,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193,143.70 : 21,289,715.55 = 8,202,513.30 : x
  2. Step 2: Convert to fraction form
    14,193,143.70/21,289,715.55 = 8,202,513.30/x
  3. Step 3: Cross multiply
    14,193,143.70x = 21,289,715.55 × 8,202,513.30
  4. Step 4: Simplify right side
    14,193,143.70x = 174,629,174,952,091.81
  5. Step 5: Solve for x
    x = 174,629,174,952,091.81/14,193,143.70
  6. Step 6: Final answer
    x = 12,303,769.95

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Double scale
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Similar ratio
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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.