Finding the Fourth Proportional to 19,835,480.98, 27,372,042.36 and 11,015,492.26
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Solution
The fourth proportional to 19,835,480.98, 27,372,042.36 and 11,015,492.26 is: 15,200,867.63
Step by Step Solution
- Step 1: Write the proportion equation
19,835,480.98 : 27,372,042.36 = 11,015,492.26 : x - Step 2: Convert to fraction form
19,835,480.98/27,372,042.36 = 11,015,492.26/x - Step 3: Cross multiply
19,835,480.98x = 27,372,042.36 × 11,015,492.26 - Step 4: Simplify right side
19,835,480.98x = 301,516,520,756,972.12 - Step 5: Solve for x
x = 301,516,520,756,972.12/19,835,480.98 - Step 6: Final answer
x = 15,200,867.63
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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.