Home / 19,089,012.62-28,638,002.28-6,309,515.96

Finding the Fourth Proportional to 19,089,012.62, 28,638,002.28 and 6,309,515.96

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Solution

The fourth proportional to 19,089,012.62, 28,638,002.28 and 6,309,515.96 is: 9,465,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,012.62 : 28,638,002.28 = 6,309,515.96 : x
  2. Step 2: Convert to fraction form
    19,089,012.62/28,638,002.28 = 6,309,515.96/x
  3. Step 3: Cross multiply
    19,089,012.62x = 28,638,002.28 × 6,309,515.96
  4. Step 4: Simplify right side
    19,089,012.62x = 180,691,932,436,039.59
  5. Step 5: Solve for x
    x = 180,691,932,436,039.59/19,089,012.62
  6. Step 6: Final answer
    x = 9,465,755.83

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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.