Home / 38,481,564.30-53,104,547.07-21,078,992.94

Finding the Fourth Proportional to 38,481,564.30, 53,104,547.07 and 21,078,992.94

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Solution

The fourth proportional to 38,481,564.30, 53,104,547.07 and 21,078,992.94 is: 29,089,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481,564.30 : 53,104,547.07 = 21,078,992.94 : x
  2. Step 2: Convert to fraction form
    38,481,564.30/53,104,547.07 = 21,078,992.94/x
  3. Step 3: Cross multiply
    38,481,564.30x = 53,104,547.07 × 21,078,992.94
  4. Step 4: Simplify right side
    38,481,564.30x = 1,119,390,372,770,427.75
  5. Step 5: Solve for x
    x = 1,119,390,372,770,427.75/38,481,564.30
  6. Step 6: Final answer
    x = 29,089,003.87

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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.