Finding the Fourth Proportional to 19,718,604.57, 27,211,685.84 and 11,016,777.17
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Solution
The fourth proportional to 19,718,604.57, 27,211,685.84 and 11,016,777.17 is: 15,203,158.94
Step by Step Solution
- Step 1: Write the proportion equation
19,718,604.57 : 27,211,685.84 = 11,016,777.17 : x - Step 2: Convert to fraction form
19,718,604.57/27,211,685.84 = 11,016,777.17/x - Step 3: Cross multiply
19,718,604.57x = 27,211,685.84 × 11,016,777.17 - Step 4: Simplify right side
19,718,604.57x = 299,785,079,373,582.50 - Step 5: Solve for x
x = 299,785,079,373,582.50/19,718,604.57 - Step 6: Final answer
x = 15,203,158.94
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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.