Home / 12,771,860.48-19,147,617.60-7,374,388.48

Finding the Fourth Proportional to 12,771,860.48, 19,147,617.60 and 7,374,388.48

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Solution

The fourth proportional to 12,771,860.48, 19,147,617.60 and 7,374,388.48 is: 11,055,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,860.48 : 19,147,617.60 = 7,374,388.48 : x
  2. Step 2: Convert to fraction form
    12,771,860.48/19,147,617.60 = 7,374,388.48/x
  3. Step 3: Cross multiply
    12,771,860.48x = 19,147,617.60 × 7,374,388.48
  4. Step 4: Simplify right side
    12,771,860.48x = 141,201,970,648,885.28
  5. Step 5: Solve for x
    x = 141,201,970,648,885.28/12,771,860.48
  6. Step 6: Final answer
    x = 11,055,708.83

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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.