Home / 18,665,090.40-27,997,635.60-5,201,918.40

Finding the Fourth Proportional to 18,665,090.40, 27,997,635.60 and 5,201,918.40

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Solution

The fourth proportional to 18,665,090.40, 27,997,635.60 and 5,201,918.40 is: 7,802,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,090.40 : 27,997,635.60 = 5,201,918.40 : x
  2. Step 2: Convert to fraction form
    18,665,090.40/27,997,635.60 = 5,201,918.40/x
  3. Step 3: Cross multiply
    18,665,090.40x = 27,997,635.60 × 5,201,918.40
  4. Step 4: Simplify right side
    18,665,090.40x = 145,641,415,784,135.06
  5. Step 5: Solve for x
    x = 145,641,415,784,135.06/18,665,090.40
  6. Step 6: Final answer
    x = 7,802,877.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.