Finding the Fourth Proportional to 21,921,176.97, 32,889,067.98 and 7,349,538.36
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Solution
The fourth proportional to 21,921,176.97, 32,889,067.98 and 7,349,538.36 is: 11,026,755.87
Step by Step Solution
- Step 1: Write the proportion equation
21,921,176.97 : 32,889,067.98 = 7,349,538.36 : x - Step 2: Convert to fraction form
21,921,176.97/32,889,067.98 = 7,349,538.36/x - Step 3: Cross multiply
21,921,176.97x = 32,889,067.98 × 7,349,538.36 - Step 4: Simplify right side
21,921,176.97x = 241,719,466,743,657.72 - Step 5: Solve for x
x = 241,719,466,743,657.72/21,921,176.97 - Step 6: Final answer
x = 11,026,755.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.