Finding the Fourth Proportional to 12,294,458.05, 16,966,272.81 and 6,788,176.06
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Solution
The fourth proportional to 12,294,458.05, 16,966,272.81 and 6,788,176.06 is: 9,367,639.18
Step by Step Solution
- Step 1: Write the proportion equation
12,294,458.05 : 16,966,272.81 = 6,788,176.06 : x - Step 2: Convert to fraction form
12,294,458.05/16,966,272.81 = 6,788,176.06/x - Step 3: Cross multiply
12,294,458.05x = 16,966,272.81 × 6,788,176.06 - Step 4: Simplify right side
12,294,458.05x = 115,170,046,916,270.91 - Step 5: Solve for x
x = 115,170,046,916,270.91/12,294,458.05 - Step 6: Final answer
x = 9,367,639.18
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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.