Home / 20,102,921.81-30,167,136.39-8,588,475.69

Finding the Fourth Proportional to 20,102,921.81, 30,167,136.39 and 8,588,475.69

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Solution

The fourth proportional to 20,102,921.81, 30,167,136.39 and 8,588,475.69 is: 12,888,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,921.81 : 30,167,136.39 = 8,588,475.69 : x
  2. Step 2: Convert to fraction form
    20,102,921.81/30,167,136.39 = 8,588,475.69/x
  3. Step 3: Cross multiply
    20,102,921.81x = 30,167,136.39 × 8,588,475.69
  4. Step 4: Simplify right side
    20,102,921.81x = 259,089,717,479,486.97
  5. Step 5: Solve for x
    x = 259,089,717,479,486.97/20,102,921.81
  6. Step 6: Final answer
    x = 12,888,162.22

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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.