Finding the Fourth Proportional to 19,876,494, 27,540,237.20 and 19,446,026.79
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Solution
The fourth proportional to 19,876,494, 27,540,237.20 and 19,446,026.79 is: 26,943,795.54
Step by Step Solution
- Step 1: Write the proportion equation
19,876,494 : 27,540,237.20 = 19,446,026.79 : x - Step 2: Convert to fraction form
19,876,494/27,540,237.20 = 19,446,026.79/x - Step 3: Cross multiply
19,876,494x = 27,540,237.20 × 19,446,026.79 - Step 4: Simplify right side
19,876,494x = 535,548,190,394,154.56 - Step 5: Solve for x
x = 535,548,190,394,154.56/19,876,494 - Step 6: Final answer
x = 26,943,795.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.