Finding the Fourth Proportional to 29,468,658.96, 40,668,003.52 and 16,415,902.08
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Solution
The fourth proportional to 29,468,658.96, 40,668,003.52 and 16,415,902.08 is: 22,654,643.51
Step by Step Solution
- Step 1: Write the proportion equation
29,468,658.96 : 40,668,003.52 = 16,415,902.08 : x - Step 2: Convert to fraction form
29,468,658.96/40,668,003.52 = 16,415,902.08/x - Step 3: Cross multiply
29,468,658.96x = 40,668,003.52 × 16,415,902.08 - Step 4: Simplify right side
29,468,658.96x = 667,601,963,573,415.38 - Step 5: Solve for x
x = 667,601,963,573,415.38/29,468,658.96 - Step 6: Final answer
x = 22,654,643.51
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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.