Finding the Fourth Proportional to 28,700,186.92, 39,596,322 and 18,392,593.48
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Solution
The fourth proportional to 28,700,186.92, 39,596,322 and 18,392,593.48 is: 25,375,411.52
Step by Step Solution
- Step 1: Write the proportion equation
28,700,186.92 : 39,596,322 = 18,392,593.48 : x - Step 2: Convert to fraction form
28,700,186.92/39,596,322 = 18,392,593.48/x - Step 3: Cross multiply
28,700,186.92x = 39,596,322 × 18,392,593.48 - Step 4: Simplify right side
28,700,186.92x = 728,279,053,849,180.62 - Step 5: Solve for x
x = 728,279,053,849,180.62/28,700,186.92 - Step 6: Final answer
x = 25,375,411.52
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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.