Finding the Fourth Proportional to 19,568,292.12, 29,342,397.65 and 10,351,239.40
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Solution
The fourth proportional to 19,568,292.12, 29,342,397.65 and 10,351,239.40 is: 15,521,547.86
Step by Step Solution
- Step 1: Write the proportion equation
19,568,292.12 : 29,342,397.65 = 10,351,239.40 : x - Step 2: Convert to fraction form
19,568,292.12/29,342,397.65 = 10,351,239.40/x - Step 3: Cross multiply
19,568,292.12x = 29,342,397.65 × 10,351,239.40 - Step 4: Simplify right side
19,568,292.12x = 303,730,182,645,147.38 - Step 5: Solve for x
x = 303,730,182,645,147.38/19,568,292.12 - Step 6: Final answer
x = 15,521,547.86
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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.