Finding the Fourth Proportional to 29,680,366.16, 40,958,813.92 and 16,450,386.72
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Solution
The fourth proportional to 29,680,366.16, 40,958,813.92 and 16,450,386.72 is: 22,701,483.03
Step by Step Solution
- Step 1: Write the proportion equation
29,680,366.16 : 40,958,813.92 = 16,450,386.72 : x - Step 2: Convert to fraction form
29,680,366.16/40,958,813.92 = 16,450,386.72/x - Step 3: Cross multiply
29,680,366.16x = 40,958,813.92 × 16,450,386.72 - Step 4: Simplify right side
29,680,366.16x = 673,788,328,576,519.25 - Step 5: Solve for x
x = 673,788,328,576,519.25/29,680,366.16 - Step 6: Final answer
x = 22,701,483.03
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1.5x scale
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.