Home / 12,643,474.47-18,965,260.91-3,058,837.62

Finding the Fourth Proportional to 12,643,474.47, 18,965,260.91 and 3,058,837.62

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Solution

The fourth proportional to 12,643,474.47, 18,965,260.91 and 3,058,837.62 is: 4,588,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,474.47 : 18,965,260.91 = 3,058,837.62 : x
  2. Step 2: Convert to fraction form
    12,643,474.47/18,965,260.91 = 3,058,837.62/x
  3. Step 3: Cross multiply
    12,643,474.47x = 18,965,260.91 × 3,058,837.62
  4. Step 4: Simplify right side
    12,643,474.47x = 58,011,653,544,623.44
  5. Step 5: Solve for x
    x = 58,011,653,544,623.44/12,643,474.47
  6. Step 6: Final answer
    x = 4,588,268.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.