Home / 12,089,619.40-18,134,429.10-3,569,942.20

Finding the Fourth Proportional to 12,089,619.40, 18,134,429.10 and 3,569,942.20

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Solution

The fourth proportional to 12,089,619.40, 18,134,429.10 and 3,569,942.20 is: 5,354,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,619.40 : 18,134,429.10 = 3,569,942.20 : x
  2. Step 2: Convert to fraction form
    12,089,619.40/18,134,429.10 = 3,569,942.20/x
  3. Step 3: Cross multiply
    12,089,619.40x = 18,134,429.10 × 3,569,942.20
  4. Step 4: Simplify right side
    12,089,619.40x = 64,738,863,716,998.03
  5. Step 5: Solve for x
    x = 64,738,863,716,998.03/12,089,619.40
  6. Step 6: Final answer
    x = 5,354,913.30

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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.