Home / 19,089,157.74-28,638,221.34-6,309,662.46

Finding the Fourth Proportional to 19,089,157.74, 28,638,221.34 and 6,309,662.46

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Solution

The fourth proportional to 19,089,157.74, 28,638,221.34 and 6,309,662.46 is: 9,465,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,157.74 : 28,638,221.34 = 6,309,662.46 : x
  2. Step 2: Convert to fraction form
    19,089,157.74/28,638,221.34 = 6,309,662.46/x
  3. Step 3: Cross multiply
    19,089,157.74x = 28,638,221.34 × 6,309,662.46
  4. Step 4: Simplify right side
    19,089,157.74x = 180,697,510,110,168.91
  5. Step 5: Solve for x
    x = 180,697,510,110,168.91/19,089,157.74
  6. Step 6: Final answer
    x = 9,465,976.06

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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.