Finding the Fourth Proportional to 23,232,979.36, 32,056,813.20 and 13,573,321.12
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Solution
The fourth proportional to 23,232,979.36, 32,056,813.20 and 13,573,321.12 is: 18,728,438.26
Step by Step Solution
- Step 1: Write the proportion equation
23,232,979.36 : 32,056,813.20 = 13,573,321.12 : x - Step 2: Convert to fraction form
23,232,979.36/32,056,813.20 = 13,573,321.12/x - Step 3: Cross multiply
23,232,979.36x = 32,056,813.20 × 13,573,321.12 - Step 4: Simplify right side
23,232,979.36x = 435,117,419,647,454.75 - Step 5: Solve for x
x = 435,117,419,647,454.75/23,232,979.36 - Step 6: Final answer
x = 18,728,438.26
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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.