Home / 39,228,699.86-54,136,103.78-21,589,633.33

Finding the Fourth Proportional to 39,228,699.86, 54,136,103.78 and 21,589,633.33

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Solution

The fourth proportional to 39,228,699.86, 54,136,103.78 and 21,589,633.33 is: 29,793,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228,699.86 : 54,136,103.78 = 21,589,633.33 : x
  2. Step 2: Convert to fraction form
    39,228,699.86/54,136,103.78 = 21,589,633.33/x
  3. Step 3: Cross multiply
    39,228,699.86x = 54,136,103.78 × 21,589,633.33
  4. Step 4: Simplify right side
    39,228,699.86x = 1,168,778,630,443,660.75
  5. Step 5: Solve for x
    x = 1,168,778,630,443,660.75/39,228,699.86
  6. Step 6: Final answer
    x = 29,793,968.06

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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.