Home / 18,800,639.46-28,201,056.50-8,558,336.39

Finding the Fourth Proportional to 18,800,639.46, 28,201,056.50 and 8,558,336.39

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Solution

The fourth proportional to 18,800,639.46, 28,201,056.50 and 8,558,336.39 is: 12,837,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800,639.46 : 28,201,056.50 = 8,558,336.39 : x
  2. Step 2: Convert to fraction form
    18,800,639.46/28,201,056.50 = 8,558,336.39/x
  3. Step 3: Cross multiply
    18,800,639.46x = 28,201,056.50 × 8,558,336.39
  4. Step 4: Simplify right side
    18,800,639.46x = 241,354,128,080,396.06
  5. Step 5: Solve for x
    x = 241,354,128,080,396.06/18,800,639.46
  6. Step 6: Final answer
    x = 12,837,548.88

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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.