Finding the Fourth Proportional to 7,517,273.90, 10,368,477.98 and 6,899,070.96
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Solution
The fourth proportional to 7,517,273.90, 10,368,477.98 and 6,899,070.96 is: 9,515,798.72
Step by Step Solution
- Step 1: Write the proportion equation
7,517,273.90 : 10,368,477.98 = 6,899,070.96 : x - Step 2: Convert to fraction form
7,517,273.90/10,368,477.98 = 6,899,070.96/x - Step 3: Cross multiply
7,517,273.90x = 10,368,477.98 × 6,899,070.96 - Step 4: Simplify right side
7,517,273.90x = 71,532,865,322,593.62 - Step 5: Solve for x
x = 71,532,865,322,593.62/7,517,273.90 - Step 6: Final answer
x = 9,515,798.72
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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.