Finding the Fourth Proportional to 18,760,731.76, 28,133,924.16 and 10,236,512.08
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Solution
The fourth proportional to 18,760,731.76, 28,133,924.16 and 10,236,512.08 is: 15,350,854.02
Step by Step Solution
- Step 1: Write the proportion equation
18,760,731.76 : 28,133,924.16 = 10,236,512.08 : x - Step 2: Convert to fraction form
18,760,731.76/28,133,924.16 = 10,236,512.08/x - Step 3: Cross multiply
18,760,731.76x = 28,133,924.16 × 10,236,512.08 - Step 4: Simplify right side
18,760,731.76x = 287,993,254,521,643.88 - Step 5: Solve for x
x = 287,993,254,521,643.88/18,760,731.76 - Step 6: Final answer
x = 15,350,854.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.