Home / 31,263,455.44-43,145,961.96-19,670,955.76

Finding the Fourth Proportional to 31,263,455.44, 43,145,961.96 and 19,670,955.76

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Solution

The fourth proportional to 31,263,455.44, 43,145,961.96 and 19,670,955.76 is: 27,147,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263,455.44 : 43,145,961.96 = 19,670,955.76 : x
  2. Step 2: Convert to fraction form
    31,263,455.44/43,145,961.96 = 19,670,955.76/x
  3. Step 3: Cross multiply
    31,263,455.44x = 43,145,961.96 × 19,670,955.76
  4. Step 4: Simplify right side
    31,263,455.44x = 848,722,308,937,803
  5. Step 5: Solve for x
    x = 848,722,308,937,803/31,263,455.44
  6. Step 6: Final answer
    x = 27,147,424.91

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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.