Home / 12,801,090.21-19,201,654.75-5,228,055.96

Finding the Fourth Proportional to 12,801,090.21, 19,201,654.75 and 5,228,055.96

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Solution

The fourth proportional to 12,801,090.21, 19,201,654.75 and 5,228,055.96 is: 7,842,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,090.21 : 19,201,654.75 = 5,228,055.96 : x
  2. Step 2: Convert to fraction form
    12,801,090.21/19,201,654.75 = 5,228,055.96/x
  3. Step 3: Cross multiply
    12,801,090.21x = 19,201,654.75 × 5,228,055.96
  4. Step 4: Simplify right side
    12,801,090.21x = 100,387,325,557,599.81
  5. Step 5: Solve for x
    x = 100,387,325,557,599.81/12,801,090.21
  6. Step 6: Final answer
    x = 7,842,091.88

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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.