Finding the Fourth Proportional to 8,299,633.98, 11,449,585.89 and 5,397,966.12
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Solution
The fourth proportional to 8,299,633.98, 11,449,585.89 and 5,397,966.12 is: 7,446,650.88
Step by Step Solution
- Step 1: Write the proportion equation
8,299,633.98 : 11,449,585.89 = 5,397,966.12 : x - Step 2: Convert to fraction form
8,299,633.98/11,449,585.89 = 5,397,966.12/x - Step 3: Cross multiply
8,299,633.98x = 11,449,585.89 × 5,397,966.12 - Step 4: Simplify right side
8,299,633.98x = 61,804,476,722,250.05 - Step 5: Solve for x
x = 61,804,476,722,250.05/8,299,633.98 - Step 6: Final answer
x = 7,446,650.88
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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.