Home / 20,493,314.70-30,739,972.05-6,309,890.70

Finding the Fourth Proportional to 20,493,314.70, 30,739,972.05 and 6,309,890.70

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Solution

The fourth proportional to 20,493,314.70, 30,739,972.05 and 6,309,890.70 is: 9,464,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,314.70 : 30,739,972.05 = 6,309,890.70 : x
  2. Step 2: Convert to fraction form
    20,493,314.70/30,739,972.05 = 6,309,890.70/x
  3. Step 3: Cross multiply
    20,493,314.70x = 30,739,972.05 × 6,309,890.70
  4. Step 4: Simplify right side
    20,493,314.70x = 193,965,863,756,554.94
  5. Step 5: Solve for x
    x = 193,965,863,756,554.94/20,493,314.70
  6. Step 6: Final answer
    x = 9,464,836.05

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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.