Home / 38,481,574.80-53,104,561.56-21,079,003.44

Finding the Fourth Proportional to 38,481,574.80, 53,104,561.56 and 21,079,003.44

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Solution

The fourth proportional to 38,481,574.80, 53,104,561.56 and 21,079,003.44 is: 29,089,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481,574.80 : 53,104,561.56 = 21,079,003.44 : x
  2. Step 2: Convert to fraction form
    38,481,574.80/53,104,561.56 = 21,079,003.44/x
  3. Step 3: Cross multiply
    38,481,574.80x = 53,104,561.56 × 21,079,003.44
  4. Step 4: Simplify right side
    38,481,574.80x = 1,119,391,235,802,931.88
  5. Step 5: Solve for x
    x = 1,119,391,235,802,931.88/38,481,574.80
  6. Step 6: Final answer
    x = 29,089,018.36

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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.