Finding the Fourth Proportional to 16,117,624.40, 22,243,138.44 and 9,148,790.48
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Solution
The fourth proportional to 16,117,624.40, 22,243,138.44 and 9,148,790.48 is: 12,625,794.48
Step by Step Solution
- Step 1: Write the proportion equation
16,117,624.40 : 22,243,138.44 = 9,148,790.48 : x - Step 2: Convert to fraction form
16,117,624.40/22,243,138.44 = 9,148,790.48/x - Step 3: Cross multiply
16,117,624.40x = 22,243,138.44 × 9,148,790.48 - Step 4: Simplify right side
16,117,624.40x = 203,497,813,205,194.06 - Step 5: Solve for x
x = 203,497,813,205,194.06/16,117,624.40 - Step 6: Final answer
x = 12,625,794.48
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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.