Home / 9,339,372.80-14,009,059.20-8,079,660.80

Finding the Fourth Proportional to 9,339,372.80, 14,009,059.20 and 8,079,660.80

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Solution

The fourth proportional to 9,339,372.80, 14,009,059.20 and 8,079,660.80 is: 12,119,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,372.80 : 14,009,059.20 = 8,079,660.80 : x
  2. Step 2: Convert to fraction form
    9,339,372.80/14,009,059.20 = 8,079,660.80/x
  3. Step 3: Cross multiply
    9,339,372.80x = 14,009,059.20 × 8,079,660.80
  4. Step 4: Simplify right side
    9,339,372.80x = 113,188,446,463,119.34
  5. Step 5: Solve for x
    x = 113,188,446,463,119.34/9,339,372.80
  6. Step 6: Final answer
    x = 12,119,491.20

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Double scale
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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.