Home / 8,207,372.34-12,311,694.03-2,742,486.12

Finding the Fourth Proportional to 8,207,372.34, 12,311,694.03 and 2,742,486.12

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Solution

The fourth proportional to 8,207,372.34, 12,311,694.03 and 2,742,486.12 is: 4,113,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207,372.34 : 12,311,694.03 = 2,742,486.12 : x
  2. Step 2: Convert to fraction form
    8,207,372.34/12,311,694.03 = 2,742,486.12/x
  3. Step 3: Cross multiply
    8,207,372.34x = 12,311,694.03 × 2,742,486.12
  4. Step 4: Simplify right side
    8,207,372.34x = 33,764,649,990,961.86
  5. Step 5: Solve for x
    x = 33,764,649,990,961.86/8,207,372.34
  6. Step 6: Final answer
    x = 4,113,941.54

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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.