Home / 6,324,447.20-8,742,446.40-5,642,874.32

Finding the Fourth Proportional to 6,324,447.20, 8,742,446.40 and 5,642,874.32

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Solution

The fourth proportional to 6,324,447.20, 8,742,446.40 and 5,642,874.32 is: 7,800,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324,447.20 : 8,742,446.40 = 5,642,874.32 : x
  2. Step 2: Convert to fraction form
    6,324,447.20/8,742,446.40 = 5,642,874.32/x
  3. Step 3: Cross multiply
    6,324,447.20x = 8,742,446.40 × 5,642,874.32
  4. Step 4: Simplify right side
    6,324,447.20x = 49,332,526,284,536.45
  5. Step 5: Solve for x
    x = 49,332,526,284,536.45/6,324,447.20
  6. Step 6: Final answer
    x = 7,800,290.64

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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.