Finding the Fourth Proportional to 8,694,990.54, 11,999,461.68 and 4,827,511.98
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Solution
The fourth proportional to 8,694,990.54, 11,999,461.68 and 4,827,511.98 is: 6,662,174.59
Step by Step Solution
- Step 1: Write the proportion equation
8,694,990.54 : 11,999,461.68 = 4,827,511.98 : x - Step 2: Convert to fraction form
8,694,990.54/11,999,461.68 = 4,827,511.98/x - Step 3: Cross multiply
8,694,990.54x = 11,999,461.68 × 4,827,511.98 - Step 4: Simplify right side
8,694,990.54x = 57,927,545,013,750.93 - Step 5: Solve for x
x = 57,927,545,013,750.93/8,694,990.54 - Step 6: Final answer
x = 6,662,174.59
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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.