Finding the Fourth Proportional to 12,478,192.97, 17,216,953.99 and 7,248,093.94
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Solution
The fourth proportional to 12,478,192.97, 17,216,953.99 and 7,248,093.94 is: 10,000,654.76
Step by Step Solution
- Step 1: Write the proportion equation
12,478,192.97 : 17,216,953.99 = 7,248,093.94 : x - Step 2: Convert to fraction form
12,478,192.97/17,216,953.99 = 7,248,093.94/x - Step 3: Cross multiply
12,478,192.97x = 17,216,953.99 × 7,248,093.94 - Step 4: Simplify right side
12,478,192.97x = 124,790,099,883,578.78 - Step 5: Solve for x
x = 124,790,099,883,578.78/12,478,192.97 - Step 6: Final answer
x = 10,000,654.76
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1.5x scale
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.