Home / 39,228,717.12-54,136,127.64-21,589,650.60

Finding the Fourth Proportional to 39,228,717.12, 54,136,127.64 and 21,589,650.60

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Solution

The fourth proportional to 39,228,717.12, 54,136,127.64 and 21,589,650.60 is: 29,793,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228,717.12 : 54,136,127.64 = 21,589,650.60 : x
  2. Step 2: Convert to fraction form
    39,228,717.12/54,136,127.64 = 21,589,650.60/x
  3. Step 3: Cross multiply
    39,228,717.12x = 54,136,127.64 × 21,589,650.60
  4. Step 4: Simplify right side
    39,228,717.12x = 1,168,780,080,584,602.75
  5. Step 5: Solve for x
    x = 1,168,780,080,584,602.75/39,228,717.12
  6. Step 6: Final answer
    x = 29,793,991.91

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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.