Home / 18,496,300.32-25,508,036.16-15,881,991.84

Finding the Fourth Proportional to 18,496,300.32, 25,508,036.16 and 15,881,991.84

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Solution

The fourth proportional to 18,496,300.32, 25,508,036.16 and 15,881,991.84 is: 21,902,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496,300.32 : 25,508,036.16 = 15,881,991.84 : x
  2. Step 2: Convert to fraction form
    18,496,300.32/25,508,036.16 = 15,881,991.84/x
  3. Step 3: Cross multiply
    18,496,300.32x = 25,508,036.16 × 15,881,991.84
  4. Step 4: Simplify right side
    18,496,300.32x = 405,118,422,147,544.94
  5. Step 5: Solve for x
    x = 405,118,422,147,544.94/18,496,300.32
  6. Step 6: Final answer
    x = 21,902,673.24

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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.