Finding the Fourth Proportional to 36,241,747.20, 54,325,879.20 and 18,017,913.60
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Solution
The fourth proportional to 36,241,747.20, 54,325,879.20 and 18,017,913.60 is: 27,008,603.98
Step by Step Solution
- Step 1: Write the proportion equation
36,241,747.20 : 54,325,879.20 = 18,017,913.60 : x - Step 2: Convert to fraction form
36,241,747.20/54,325,879.20 = 18,017,913.60/x - Step 3: Cross multiply
36,241,747.20x = 54,325,879.20 × 18,017,913.60 - Step 4: Simplify right side
36,241,747.20x = 978,838,997,669,637.25 - Step 5: Solve for x
x = 978,838,997,669,637.25/36,241,747.20 - Step 6: Final answer
x = 27,008,603.98
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1.5x scale
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.