Home / 12,089,334.40-18,147,998.40-7,302,428.80

Finding the Fourth Proportional to 12,089,334.40, 18,147,998.40 and 7,302,428.80

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Solution

The fourth proportional to 12,089,334.40, 18,147,998.40 and 7,302,428.80 is: 10,962,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,334.40 : 18,147,998.40 = 7,302,428.80 : x
  2. Step 2: Convert to fraction form
    12,089,334.40/18,147,998.40 = 7,302,428.80/x
  3. Step 3: Cross multiply
    12,089,334.40x = 18,147,998.40 × 7,302,428.80
  4. Step 4: Simplify right side
    12,089,334.40x = 132,524,466,178,513.91
  5. Step 5: Solve for x
    x = 132,524,466,178,513.91/12,089,334.40
  6. Step 6: Final answer
    x = 10,962,097.81

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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.