Finding the Fourth Proportional to 39,876,860.51, 59,809,975.37 and 11,120,588
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Solution
The fourth proportional to 39,876,860.51, 59,809,975.37 and 11,120,588 is: 16,679,399.68
Step by Step Solution
- Step 1: Write the proportion equation
39,876,860.51 : 59,809,975.37 = 11,120,588 : x - Step 2: Convert to fraction form
39,876,860.51/59,809,975.37 = 11,120,588/x - Step 3: Cross multiply
39,876,860.51x = 59,809,975.37 × 11,120,588 - Step 4: Simplify right side
39,876,860.51x = 665,122,094,379,917.50 - Step 5: Solve for x
x = 665,122,094,379,917.50/39,876,860.51 - Step 6: Final answer
x = 16,679,399.68
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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.