Home / 18,242,307.30-25,174,383.03-9,982,370.57

Finding the Fourth Proportional to 18,242,307.30, 25,174,383.03 and 9,982,370.57

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Solution

The fourth proportional to 18,242,307.30, 25,174,383.03 and 9,982,370.57 is: 13,775,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,307.30 : 25,174,383.03 = 9,982,370.57 : x
  2. Step 2: Convert to fraction form
    18,242,307.30/25,174,383.03 = 9,982,370.57/x
  3. Step 3: Cross multiply
    18,242,307.30x = 25,174,383.03 × 9,982,370.57
  4. Step 4: Simplify right side
    18,242,307.30x = 251,300,020,193,440.03
  5. Step 5: Solve for x
    x = 251,300,020,193,440.03/18,242,307.30
  6. Step 6: Final answer
    x = 13,775,670.81

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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.