Finding the Fourth Proportional to 19,539,469.36, 26,976,700 and 12,582,250.56
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Solution
The fourth proportional to 19,539,469.36, 26,976,700 and 12,582,250.56 is: 17,371,382.63
Step by Step Solution
- Step 1: Write the proportion equation
19,539,469.36 : 26,976,700 = 12,582,250.56 : x - Step 2: Convert to fraction form
19,539,469.36/26,976,700 = 12,582,250.56/x - Step 3: Cross multiply
19,539,469.36x = 26,976,700 × 12,582,250.56 - Step 4: Simplify right side
19,539,469.36x = 339,427,598,681,952 - Step 5: Solve for x
x = 339,427,598,681,952/19,539,469.36 - Step 6: Final answer
x = 17,371,382.63
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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.