Home / 19,089,014.37-28,638,004.91-6,309,517.71

Finding the Fourth Proportional to 19,089,014.37, 28,638,004.91 and 6,309,517.71

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Solution

The fourth proportional to 19,089,014.37, 28,638,004.91 and 6,309,517.71 is: 9,465,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,014.37 : 28,638,004.91 = 6,309,517.71 : x
  2. Step 2: Convert to fraction form
    19,089,014.37/28,638,004.91 = 6,309,517.71/x
  3. Step 3: Cross multiply
    19,089,014.37x = 28,638,004.91 × 6,309,517.71
  4. Step 4: Simplify right side
    19,089,014.37x = 180,691,999,158,711.97
  5. Step 5: Solve for x
    x = 180,691,999,158,711.97/19,089,014.37
  6. Step 6: Final answer
    x = 9,465,758.45

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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.