Home / 28,052,039.80-42,042,630.30-13,644,083.80

Finding the Fourth Proportional to 28,052,039.80, 42,042,630.30 and 13,644,083.80

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Solution

The fourth proportional to 28,052,039.80, 42,042,630.30 and 13,644,083.80 is: 20,448,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052,039.80 : 42,042,630.30 = 13,644,083.80 : x
  2. Step 2: Convert to fraction form
    28,052,039.80/42,042,630.30 = 13,644,083.80/x
  3. Step 3: Cross multiply
    28,052,039.80x = 42,042,630.30 × 13,644,083.80
  4. Step 4: Simplify right side
    28,052,039.80x = 573,633,170,985,619.12
  5. Step 5: Solve for x
    x = 573,633,170,985,619.12/28,052,039.80
  6. Step 6: Final answer
    x = 20,448,893.38

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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.