Home / 7,384,173.06-10,189,733.67-4,120,731.66

Finding the Fourth Proportional to 7,384,173.06, 10,189,733.67 and 4,120,731.66

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Solution

The fourth proportional to 7,384,173.06, 10,189,733.67 and 4,120,731.66 is: 5,686,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384,173.06 : 10,189,733.67 = 4,120,731.66 : x
  2. Step 2: Convert to fraction form
    7,384,173.06/10,189,733.67 = 4,120,731.66/x
  3. Step 3: Cross multiply
    7,384,173.06x = 10,189,733.67 × 4,120,731.66
  4. Step 4: Simplify right side
    7,384,173.06x = 41,989,158,140,936.99
  5. Step 5: Solve for x
    x = 41,989,158,140,936.99/7,384,173.06
  6. Step 6: Final answer
    x = 5,686,372.43

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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.