Home / 7,381,129.21-10,185,964.70-4,117,944.61

Finding the Fourth Proportional to 7,381,129.21, 10,185,964.70 and 4,117,944.61

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Solution

The fourth proportional to 7,381,129.21, 10,185,964.70 and 4,117,944.61 is: 5,682,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,129.21 : 10,185,964.70 = 4,117,944.61 : x
  2. Step 2: Convert to fraction form
    7,381,129.21/10,185,964.70 = 4,117,944.61/x
  3. Step 3: Cross multiply
    7,381,129.21x = 10,185,964.70 × 4,117,944.61
  4. Step 4: Simplify right side
    7,381,129.21x = 41,945,238,434,015.27
  5. Step 5: Solve for x
    x = 41,945,238,434,015.27/7,381,129.21
  6. Step 6: Final answer
    x = 5,682,767.13

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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.