Home / 20,529,311.81-30,790,043.06-6,152,379.41

Finding the Fourth Proportional to 20,529,311.81, 30,790,043.06 and 6,152,379.41

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Solution

The fourth proportional to 20,529,311.81, 30,790,043.06 and 6,152,379.41 is: 9,227,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529,311.81 : 30,790,043.06 = 6,152,379.41 : x
  2. Step 2: Convert to fraction form
    20,529,311.81/30,790,043.06 = 6,152,379.41/x
  3. Step 3: Cross multiply
    20,529,311.81x = 30,790,043.06 × 6,152,379.41
  4. Step 4: Simplify right side
    20,529,311.81x = 189,432,027,001,570.59
  5. Step 5: Solve for x
    x = 189,432,027,001,570.59/20,529,311.81
  6. Step 6: Final answer
    x = 9,227,392.95

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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.