Home / 12,089,177.20-18,133,765.80-10,672,001.20

Finding the Fourth Proportional to 12,089,177.20, 18,133,765.80 and 10,672,001.20

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Solution

The fourth proportional to 12,089,177.20, 18,133,765.80 and 10,672,001.20 is: 16,008,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,177.20 : 18,133,765.80 = 10,672,001.20 : x
  2. Step 2: Convert to fraction form
    12,089,177.20/18,133,765.80 = 10,672,001.20/x
  3. Step 3: Cross multiply
    12,089,177.20x = 18,133,765.80 × 10,672,001.20
  4. Step 4: Simplify right side
    12,089,177.20x = 193,523,570,378,118.97
  5. Step 5: Solve for x
    x = 193,523,570,378,118.97/12,089,177.20
  6. Step 6: Final answer
    x = 16,008,001.80

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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.