Finding the Fourth Proportional to 11,640,872.72, 17,370,268.30 and 10,430,464.88
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Solution
The fourth proportional to 11,640,872.72, 17,370,268.30 and 10,430,464.88 is: 15,564,122.88
Step by Step Solution
- Step 1: Write the proportion equation
11,640,872.72 : 17,370,268.30 = 10,430,464.88 : x - Step 2: Convert to fraction form
11,640,872.72/17,370,268.30 = 10,430,464.88/x - Step 3: Cross multiply
11,640,872.72x = 17,370,268.30 × 10,430,464.88 - Step 4: Simplify right side
11,640,872.72x = 181,179,973,459,327.31 - Step 5: Solve for x
x = 181,179,973,459,327.31/11,640,872.72 - Step 6: Final answer
x = 15,564,122.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.