Home / 7,142,503.25-9,856,682.64-3,879,372.44

Finding the Fourth Proportional to 7,142,503.25, 9,856,682.64 and 3,879,372.44

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Solution

The fourth proportional to 7,142,503.25, 9,856,682.64 and 3,879,372.44 is: 5,353,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,503.25 : 9,856,682.64 = 3,879,372.44 : x
  2. Step 2: Convert to fraction form
    7,142,503.25/9,856,682.64 = 3,879,372.44/x
  3. Step 3: Cross multiply
    7,142,503.25x = 9,856,682.64 × 3,879,372.44
  4. Step 4: Simplify right side
    7,142,503.25x = 38,237,742,952,640.31
  5. Step 5: Solve for x
    x = 38,237,742,952,640.31/7,142,503.25
  6. Step 6: Final answer
    x = 5,353,549.25

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