Finding the Fourth Proportional to 12,537,095.10, 17,293,861.14 and 7,883,515.08
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Solution
The fourth proportional to 12,537,095.10, 17,293,861.14 and 7,883,515.08 is: 10,874,641.53
Step by Step Solution
- Step 1: Write the proportion equation
12,537,095.10 : 17,293,861.14 = 7,883,515.08 : x - Step 2: Convert to fraction form
12,537,095.10/17,293,861.14 = 7,883,515.08/x - Step 3: Cross multiply
12,537,095.10x = 17,293,861.14 × 7,883,515.08 - Step 4: Simplify right side
12,537,095.10x = 136,336,415,088,616 - Step 5: Solve for x
x = 136,336,415,088,616/12,537,095.10 - Step 6: Final answer
x = 10,874,641.53
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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.