Home / 21,380,103.60-32,032,830.60-18,394,119.60

Finding the Fourth Proportional to 21,380,103.60, 32,032,830.60 and 18,394,119.60

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Solution

The fourth proportional to 21,380,103.60, 32,032,830.60 and 18,394,119.60 is: 27,559,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380,103.60 : 32,032,830.60 = 18,394,119.60 : x
  2. Step 2: Convert to fraction form
    21,380,103.60/32,032,830.60 = 18,394,119.60/x
  3. Step 3: Cross multiply
    21,380,103.60x = 32,032,830.60 × 18,394,119.60
  4. Step 4: Simplify right side
    21,380,103.60x = 589,215,717,182,939.88
  5. Step 5: Solve for x
    x = 589,215,717,182,939.88/21,380,103.60
  6. Step 6: Final answer
    x = 27,559,067.45

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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.