Finding the Fourth Proportional to 29,974,461.06, 41,365,512.18 and 18,378,418.44
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Solution
The fourth proportional to 29,974,461.06, 41,365,512.18 and 18,378,418.44 is: 25,362,680.93
Step by Step Solution
- Step 1: Write the proportion equation
29,974,461.06 : 41,365,512.18 = 18,378,418.44 : x - Step 2: Convert to fraction form
29,974,461.06/41,365,512.18 = 18,378,418.44/x - Step 3: Cross multiply
29,974,461.06x = 41,365,512.18 × 18,378,418.44 - Step 4: Simplify right side
29,974,461.06x = 760,232,691,828,956.62 - Step 5: Solve for x
x = 760,232,691,828,956.62/29,974,461.06 - Step 6: Final answer
x = 25,362,680.93
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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.