Home / 36,210,351.81-49,968,764.28-20,530,431.09

Finding the Fourth Proportional to 36,210,351.81, 49,968,764.28 and 20,530,431.09

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Solution

The fourth proportional to 36,210,351.81, 49,968,764.28 and 20,530,431.09 is: 28,331,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210,351.81 : 49,968,764.28 = 20,530,431.09 : x
  2. Step 2: Convert to fraction form
    36,210,351.81/49,968,764.28 = 20,530,431.09/x
  3. Step 3: Cross multiply
    36,210,351.81x = 49,968,764.28 × 20,530,431.09
  4. Step 4: Simplify right side
    36,210,351.81x = 1,025,880,271,702,993.50
  5. Step 5: Solve for x
    x = 1,025,880,271,702,993.50/36,210,351.81
  6. Step 6: Final answer
    x = 28,331,132.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.