Home / 18,861,606.60-28,292,409.90-8,783,910.60

Finding the Fourth Proportional to 18,861,606.60, 28,292,409.90 and 8,783,910.60

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Solution

The fourth proportional to 18,861,606.60, 28,292,409.90 and 8,783,910.60 is: 13,175,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861,606.60 : 28,292,409.90 = 8,783,910.60 : x
  2. Step 2: Convert to fraction form
    18,861,606.60/28,292,409.90 = 8,783,910.60/x
  3. Step 3: Cross multiply
    18,861,606.60x = 28,292,409.90 × 8,783,910.60
  4. Step 4: Simplify right side
    18,861,606.60x = 248,517,999,220,154.91
  5. Step 5: Solve for x
    x = 248,517,999,220,154.91/18,861,606.60
  6. Step 6: Final answer
    x = 13,175,865.90

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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.