Home / 20,226,039.40-30,339,059.10-8,101,311.40

Finding the Fourth Proportional to 20,226,039.40, 30,339,059.10 and 8,101,311.40

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Solution

The fourth proportional to 20,226,039.40, 30,339,059.10 and 8,101,311.40 is: 12,151,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,039.40 : 30,339,059.10 = 8,101,311.40 : x
  2. Step 2: Convert to fraction form
    20,226,039.40/30,339,059.10 = 8,101,311.40/x
  3. Step 3: Cross multiply
    20,226,039.40x = 30,339,059.10 × 8,101,311.40
  4. Step 4: Simplify right side
    20,226,039.40x = 245,786,165,352,103.75
  5. Step 5: Solve for x
    x = 245,786,165,352,103.75/20,226,039.40
  6. Step 6: Final answer
    x = 12,151,967.10

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1.5x scale

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.