Home / 23,181,980.58-31,992,622.92-13,392,837.36

Finding the Fourth Proportional to 23,181,980.58, 31,992,622.92 and 13,392,837.36

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Solution

The fourth proportional to 23,181,980.58, 31,992,622.92 and 13,392,837.36 is: 18,482,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181,980.58 : 31,992,622.92 = 13,392,837.36 : x
  2. Step 2: Convert to fraction form
    23,181,980.58/31,992,622.92 = 13,392,837.36/x
  3. Step 3: Cross multiply
    23,181,980.58x = 31,992,622.92 × 13,392,837.36
  4. Step 4: Simplify right side
    23,181,980.58x = 428,471,995,487,368.31
  5. Step 5: Solve for x
    x = 428,471,995,487,368.31/23,181,980.58
  6. Step 6: Final answer
    x = 18,482,976.21

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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.