Home / 14,004,000.40-21,006,000.60-8,321,299.60

Finding the Fourth Proportional to 14,004,000.40, 21,006,000.60 and 8,321,299.60

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Solution

The fourth proportional to 14,004,000.40, 21,006,000.60 and 8,321,299.60 is: 12,481,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004,000.40 : 21,006,000.60 = 8,321,299.60 : x
  2. Step 2: Convert to fraction form
    14,004,000.40/21,006,000.60 = 8,321,299.60/x
  3. Step 3: Cross multiply
    14,004,000.40x = 21,006,000.60 × 8,321,299.60
  4. Step 4: Simplify right side
    14,004,000.40x = 174,797,224,390,379.75
  5. Step 5: Solve for x
    x = 174,797,224,390,379.75/14,004,000.40
  6. Step 6: Final answer
    x = 12,481,949.40

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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.