Finding the Fourth Proportional to 19,804,889.25, 29,686,366.85 and 6,661,795.13
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Solution
The fourth proportional to 19,804,889.25, 29,686,366.85 and 6,661,795.13 is: 9,985,639.98
Step by Step Solution
- Step 1: Write the proportion equation
19,804,889.25 : 29,686,366.85 = 6,661,795.13 : x - Step 2: Convert to fraction form
19,804,889.25/29,686,366.85 = 6,661,795.13/x - Step 3: Cross multiply
19,804,889.25x = 29,686,366.85 × 6,661,795.13 - Step 4: Simplify right side
19,804,889.25x = 197,764,493,960,291.62 - Step 5: Solve for x
x = 197,764,493,960,291.62/19,804,889.25 - Step 6: Final answer
x = 9,985,639.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.