Finding the Fourth Proportional to 19,633,609.36, 27,093,506.72 and 11,254,972.31
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Solution
The fourth proportional to 19,633,609.36, 27,093,506.72 and 11,254,972.31 is: 15,531,360.66
Step by Step Solution
- Step 1: Write the proportion equation
19,633,609.36 : 27,093,506.72 = 11,254,972.31 : x - Step 2: Convert to fraction form
19,633,609.36/27,093,506.72 = 11,254,972.31/x - Step 3: Cross multiply
19,633,609.36x = 27,093,506.72 × 11,254,972.31 - Step 4: Simplify right side
19,633,609.36x = 304,936,667,887,566.38 - Step 5: Solve for x
x = 304,936,667,887,566.38/19,633,609.36 - Step 6: Final answer
x = 15,531,360.66
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1.5x scale
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.