Home / 18,242,283.57-25,174,350.53-9,982,346.54

Finding the Fourth Proportional to 18,242,283.57, 25,174,350.53 and 9,982,346.54

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Solution

The fourth proportional to 18,242,283.57, 25,174,350.53 and 9,982,346.54 is: 13,775,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,283.57 : 25,174,350.53 = 9,982,346.54 : x
  2. Step 2: Convert to fraction form
    18,242,283.57/25,174,350.53 = 9,982,346.54/x
  3. Step 3: Cross multiply
    18,242,283.57x = 25,174,350.53 × 9,982,346.54
  4. Step 4: Simplify right side
    18,242,283.57x = 251,299,090,771,542.97
  5. Step 5: Solve for x
    x = 251,299,090,771,542.97/18,242,283.57
  6. Step 6: Final answer
    x = 13,775,637.78

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1.5x scale

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.