Home / 20,143,826.04-30,215,701.32-6,311,843.67

Finding the Fourth Proportional to 20,143,826.04, 30,215,701.32 and 6,311,843.67

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Solution

The fourth proportional to 20,143,826.04, 30,215,701.32 and 6,311,843.67 is: 9,467,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,826.04 : 30,215,701.32 = 6,311,843.67 : x
  2. Step 2: Convert to fraction form
    20,143,826.04/30,215,701.32 = 6,311,843.67/x
  3. Step 3: Cross multiply
    20,143,826.04x = 30,215,701.32 × 6,311,843.67
  4. Step 4: Simplify right side
    20,143,826.04x = 190,716,783,232,903.50
  5. Step 5: Solve for x
    x = 190,716,783,232,903.50/20,143,826.04
  6. Step 6: Final answer
    x = 9,467,753.69

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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.