Home / 52,007,687.80-71,772,936.06-28,487,879.80

Finding the Fourth Proportional to 52,007,687.80, 71,772,936.06 and 28,487,879.80

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Solution

The fourth proportional to 52,007,687.80, 71,772,936.06 and 28,487,879.80 is: 39,314,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,687.80 : 71,772,936.06 = 28,487,879.80 : x
  2. Step 2: Convert to fraction form
    52,007,687.80/71,772,936.06 = 28,487,879.80/x
  3. Step 3: Cross multiply
    52,007,687.80x = 71,772,936.06 × 28,487,879.80
  4. Step 4: Simplify right side
    52,007,687.80x = 2,044,658,775,370,365.75
  5. Step 5: Solve for x
    x = 2,044,658,775,370,365.75/52,007,687.80
  6. Step 6: Final answer
    x = 39,314,548.71

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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.