Home / 20,463,234.40-30,668,195.70-8,318,511.84

Finding the Fourth Proportional to 20,463,234.40, 30,668,195.70 and 8,318,511.84

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Solution

The fourth proportional to 20,463,234.40, 30,668,195.70 and 8,318,511.84 is: 12,466,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463,234.40 : 30,668,195.70 = 8,318,511.84 : x
  2. Step 2: Convert to fraction form
    20,463,234.40/30,668,195.70 = 8,318,511.84/x
  3. Step 3: Cross multiply
    20,463,234.40x = 30,668,195.70 × 8,318,511.84
  4. Step 4: Simplify right side
    20,463,234.40x = 255,113,749,041,887.06
  5. Step 5: Solve for x
    x = 255,113,749,041,887.06/20,463,234.40
  6. Step 6: Final answer
    x = 12,466,931.87

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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.