Finding the Fourth Proportional to 7,376,531.16, 11,064,796.56 and 1,985,193.48
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Solution
The fourth proportional to 7,376,531.16, 11,064,796.56 and 1,985,193.48 is: 2,977,790.17
Step by Step Solution
- Step 1: Write the proportion equation
7,376,531.16 : 11,064,796.56 = 1,985,193.48 : x - Step 2: Convert to fraction form
7,376,531.16/11,064,796.56 = 1,985,193.48/x - Step 3: Cross multiply
7,376,531.16x = 11,064,796.56 × 1,985,193.48 - Step 4: Simplify right side
7,376,531.16x = 21,965,761,988,438.43 - Step 5: Solve for x
x = 21,965,761,988,438.43/7,376,531.16 - Step 6: Final answer
x = 2,977,790.17
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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.