Home / 18,140,025.91-25,033,236.06-9,991,263.91

Finding the Fourth Proportional to 18,140,025.91, 25,033,236.06 and 9,991,263.91

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Solution

The fourth proportional to 18,140,025.91, 25,033,236.06 and 9,991,263.91 is: 13,787,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140,025.91 : 25,033,236.06 = 9,991,263.91 : x
  2. Step 2: Convert to fraction form
    18,140,025.91/25,033,236.06 = 9,991,263.91/x
  3. Step 3: Cross multiply
    18,140,025.91x = 25,033,236.06 × 9,991,263.91
  4. Step 4: Simplify right side
    18,140,025.91x = 250,113,667,884,249.19
  5. Step 5: Solve for x
    x = 250,113,667,884,249.19/18,140,025.91
  6. Step 6: Final answer
    x = 13,787,944.36

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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.