Home / 12,089,931.80-18,134,897.70-8,263,556.60

Finding the Fourth Proportional to 12,089,931.80, 18,134,897.70 and 8,263,556.60

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Solution

The fourth proportional to 12,089,931.80, 18,134,897.70 and 8,263,556.60 is: 12,395,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,931.80 : 18,134,897.70 = 8,263,556.60 : x
  2. Step 2: Convert to fraction form
    12,089,931.80/18,134,897.70 = 8,263,556.60/x
  3. Step 3: Cross multiply
    12,089,931.80x = 18,134,897.70 × 8,263,556.60
  4. Step 4: Simplify right side
    12,089,931.80x = 149,858,753,579,159.81
  5. Step 5: Solve for x
    x = 149,858,753,579,159.81/12,089,931.80
  6. Step 6: Final answer
    x = 12,395,334.90

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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.