Finding the Fourth Proportional to 29,645,013.51, 40,900,793.13 and 16,590,198.15
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Solution
The fourth proportional to 29,645,013.51, 40,900,793.13 and 16,590,198.15 is: 22,889,254.62
Step by Step Solution
- Step 1: Write the proportion equation
29,645,013.51 : 40,900,793.13 = 16,590,198.15 : x - Step 2: Convert to fraction form
29,645,013.51/40,900,793.13 = 16,590,198.15/x - Step 3: Cross multiply
29,645,013.51x = 40,900,793.13 × 16,590,198.15 - Step 4: Simplify right side
29,645,013.51x = 678,552,262,518,858.75 - Step 5: Solve for x
x = 678,552,262,518,858.75/29,645,013.51 - Step 6: Final answer
x = 22,889,254.62
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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.