Home / 20,470,451.52-30,697,188.96-8,331,676.32

Finding the Fourth Proportional to 20,470,451.52, 30,697,188.96 and 8,331,676.32

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Solution

The fourth proportional to 20,470,451.52, 30,697,188.96 and 8,331,676.32 is: 12,494,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,451.52 : 30,697,188.96 = 8,331,676.32 : x
  2. Step 2: Convert to fraction form
    20,470,451.52/30,697,188.96 = 8,331,676.32/x
  3. Step 3: Cross multiply
    20,470,451.52x = 30,697,188.96 × 8,331,676.32
  4. Step 4: Simplify right side
    20,470,451.52x = 255,759,042,348,597.44
  5. Step 5: Solve for x
    x = 255,759,042,348,597.44/20,470,451.52
  6. Step 6: Final answer
    x = 12,494,059.65

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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.