Home / 20,682,028.30-31,023,042.46-5,535,959.80

Finding the Fourth Proportional to 20,682,028.30, 31,023,042.46 and 5,535,959.80

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Solution

The fourth proportional to 20,682,028.30, 31,023,042.46 and 5,535,959.80 is: 8,303,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,028.30 : 31,023,042.46 = 5,535,959.80 : x
  2. Step 2: Convert to fraction form
    20,682,028.30/31,023,042.46 = 5,535,959.80/x
  3. Step 3: Cross multiply
    20,682,028.30x = 31,023,042.46 × 5,535,959.80
  4. Step 4: Simplify right side
    20,682,028.30x = 171,742,315,932,253.09
  5. Step 5: Solve for x
    x = 171,742,315,932,253.09/20,682,028.30
  6. Step 6: Final answer
    x = 8,303,939.70

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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.