Home / 19,193,631.15-28,790,446.86-6,414,135.87

Finding the Fourth Proportional to 19,193,631.15, 28,790,446.86 and 6,414,135.87

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Solution

The fourth proportional to 19,193,631.15, 28,790,446.86 and 6,414,135.87 is: 9,621,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193,631.15 : 28,790,446.86 = 6,414,135.87 : x
  2. Step 2: Convert to fraction form
    19,193,631.15/28,790,446.86 = 6,414,135.87/x
  3. Step 3: Cross multiply
    19,193,631.15x = 28,790,446.86 × 6,414,135.87
  4. Step 4: Simplify right side
    19,193,631.15x = 184,665,837,918,054.88
  5. Step 5: Solve for x
    x = 184,665,837,918,054.88/19,193,631.15
  6. Step 6: Final answer
    x = 9,621,203.85

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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.