Finding the Fourth Proportional to 21,343,872.44, 29,454,510.08 and 11,554,314.03
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Solution
The fourth proportional to 21,343,872.44, 29,454,510.08 and 11,554,314.03 is: 15,944,935.02
Step by Step Solution
- Step 1: Write the proportion equation
21,343,872.44 : 29,454,510.08 = 11,554,314.03 : x - Step 2: Convert to fraction form
21,343,872.44/29,454,510.08 = 11,554,314.03/x - Step 3: Cross multiply
21,343,872.44x = 29,454,510.08 × 11,554,314.03 - Step 4: Simplify right side
21,343,872.44x = 340,326,659,093,006.19 - Step 5: Solve for x
x = 340,326,659,093,006.19/21,343,872.44 - Step 6: Final answer
x = 15,944,935.02
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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.