Home / 7,978,947.46-11,003,473.29-6,352,723.06

Finding the Fourth Proportional to 7,978,947.46, 11,003,473.29 and 6,352,723.06

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Solution

The fourth proportional to 7,978,947.46, 11,003,473.29 and 6,352,723.06 is: 8,760,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,947.46 : 11,003,473.29 = 6,352,723.06 : x
  2. Step 2: Convert to fraction form
    7,978,947.46/11,003,473.29 = 6,352,723.06/x
  3. Step 3: Cross multiply
    7,978,947.46x = 11,003,473.29 × 6,352,723.06
  4. Step 4: Simplify right side
    7,978,947.46x = 69,902,018,509,477.05
  5. Step 5: Solve for x
    x = 69,902,018,509,477.05/7,978,947.46
  6. Step 6: Final answer
    x = 8,760,806.97

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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.