Finding the Fourth Proportional to 40,405,157.55, 60,616,692.09 and 11,649,049.07
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Solution
The fourth proportional to 40,405,157.55, 60,616,692.09 and 11,649,049.07 is: 17,476,155.60
Step by Step Solution
- Step 1: Write the proportion equation
40,405,157.55 : 60,616,692.09 = 11,649,049.07 : x - Step 2: Convert to fraction form
40,405,157.55/60,616,692.09 = 11,649,049.07/x - Step 3: Cross multiply
40,405,157.55x = 60,616,692.09 × 11,649,049.07 - Step 4: Simplify right side
40,405,157.55x = 706,126,820,314,407.38 - Step 5: Solve for x
x = 706,126,820,314,407.38/40,405,157.55 - Step 6: Final answer
x = 17,476,155.60
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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.