Finding the Fourth Proportional to 21,717,176.92, 32,568,531.48 and 8,759,981.14
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Solution
The fourth proportional to 21,717,176.92, 32,568,531.48 and 8,759,981.14 is: 13,137,053.80
Step by Step Solution
- Step 1: Write the proportion equation
21,717,176.92 : 32,568,531.48 = 8,759,981.14 : x - Step 2: Convert to fraction form
21,717,176.92/32,568,531.48 = 8,759,981.14/x - Step 3: Cross multiply
21,717,176.92x = 32,568,531.48 × 8,759,981.14 - Step 4: Simplify right side
21,717,176.92x = 285,299,721,522,296.31 - Step 5: Solve for x
x = 285,299,721,522,296.31/21,717,176.92 - Step 6: Final answer
x = 13,137,053.80
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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.