Finding the Fourth Proportional to 32,186,949.88, 44,416,638.75 and 18,249,242.62
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Solution
The fourth proportional to 32,186,949.88, 44,416,638.75 and 18,249,242.62 is: 25,183,188.22
Step by Step Solution
- Step 1: Write the proportion equation
32,186,949.88 : 44,416,638.75 = 18,249,242.62 : x - Step 2: Convert to fraction form
32,186,949.88/44,416,638.75 = 18,249,242.62/x - Step 3: Cross multiply
32,186,949.88x = 44,416,638.75 × 18,249,242.62 - Step 4: Simplify right side
32,186,949.88x = 810,570,016,913,643.62 - Step 5: Solve for x
x = 810,570,016,913,643.62/32,186,949.88 - Step 6: Final answer
x = 25,183,188.22
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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.