Finding the Fourth Proportional to 21,757,087.08, 32,620,908.06 and 12,179,076.84
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Solution
The fourth proportional to 21,757,087.08, 32,620,908.06 and 12,179,076.84 is: 18,260,373.94
Step by Step Solution
- Step 1: Write the proportion equation
21,757,087.08 : 32,620,908.06 = 12,179,076.84 : x - Step 2: Convert to fraction form
21,757,087.08/32,620,908.06 = 12,179,076.84/x - Step 3: Cross multiply
21,757,087.08x = 32,620,908.06 × 12,179,076.84 - Step 4: Simplify right side
21,757,087.08x = 397,292,545,853,315.31 - Step 5: Solve for x
x = 397,292,545,853,315.31/21,757,087.08 - Step 6: Final answer
x = 18,260,373.94
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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.