Finding the Fourth Proportional to 16,460,623.80, 22,715,414.82 and 9,118,434.96
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Solution
The fourth proportional to 16,460,623.80, 22,715,414.82 and 9,118,434.96 is: 12,583,303.96
Step by Step Solution
- Step 1: Write the proportion equation
16,460,623.80 : 22,715,414.82 = 9,118,434.96 : x - Step 2: Convert to fraction form
16,460,623.80/22,715,414.82 = 9,118,434.96/x - Step 3: Cross multiply
16,460,623.80x = 22,715,414.82 × 9,118,434.96 - Step 4: Simplify right side
16,460,623.80x = 207,129,032,625,590.12 - Step 5: Solve for x
x = 207,129,032,625,590.12/16,460,623.80 - Step 6: Final answer
x = 12,583,303.96
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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.