Home / 19,193,574.11-28,790,361.26-6,414,078.81

Finding the Fourth Proportional to 19,193,574.11, 28,790,361.26 and 6,414,078.81

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Solution

The fourth proportional to 19,193,574.11, 28,790,361.26 and 6,414,078.81 is: 9,621,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193,574.11 : 28,790,361.26 = 6,414,078.81 : x
  2. Step 2: Convert to fraction form
    19,193,574.11/28,790,361.26 = 6,414,078.81/x
  3. Step 3: Cross multiply
    19,193,574.11x = 28,790,361.26 × 6,414,078.81
  4. Step 4: Simplify right side
    19,193,574.11x = 184,663,646,028,017.12
  5. Step 5: Solve for x
    x = 184,663,646,028,017.12/19,193,574.11
  6. Step 6: Final answer
    x = 9,621,118.25

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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.