Finding the Fourth Proportional to 21,896,203.24, 30,215,541.54 and 12,106,081
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Solution
The fourth proportional to 21,896,203.24, 30,215,541.54 and 12,106,081 is: 16,705,717.85
Step by Step Solution
- Step 1: Write the proportion equation
21,896,203.24 : 30,215,541.54 = 12,106,081 : x - Step 2: Convert to fraction form
21,896,203.24/30,215,541.54 = 12,106,081/x - Step 3: Cross multiply
21,896,203.24x = 30,215,541.54 × 12,106,081 - Step 4: Simplify right side
21,896,203.24x = 365,791,793,342,104.75 - Step 5: Solve for x
x = 365,791,793,342,104.75/21,896,203.24 - Step 6: Final answer
x = 16,705,717.85
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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.