Finding the Fourth Proportional to 17,545,341.80, 26,318,012.70 and 13,293,813.80
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Solution
The fourth proportional to 17,545,341.80, 26,318,012.70 and 13,293,813.80 is: 19,940,720.70
Step by Step Solution
- Step 1: Write the proportion equation
17,545,341.80 : 26,318,012.70 = 13,293,813.80 : x - Step 2: Convert to fraction form
17,545,341.80/26,318,012.70 = 13,293,813.80/x - Step 3: Cross multiply
17,545,341.80x = 26,318,012.70 × 13,293,813.80 - Step 4: Simplify right side
17,545,341.80x = 349,866,760,419,835.25 - Step 5: Solve for x
x = 349,866,760,419,835.25/17,545,341.80 - Step 6: Final answer
x = 19,940,720.70
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1.5x scale
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.