Finding the Fourth Proportional to 27,990,665.78, 38,627,298.63 and 15,601,546.08
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Solution
The fourth proportional to 27,990,665.78, 38,627,298.63 and 15,601,546.08 is: 21,530,233.84
Step by Step Solution
- Step 1: Write the proportion equation
27,990,665.78 : 38,627,298.63 = 15,601,546.08 : x - Step 2: Convert to fraction form
27,990,665.78/38,627,298.63 = 15,601,546.08/x - Step 3: Cross multiply
27,990,665.78x = 38,627,298.63 × 15,601,546.08 - Step 4: Simplify right side
27,990,665.78x = 602,645,579,521,865.88 - Step 5: Solve for x
x = 602,645,579,521,865.88/27,990,665.78 - Step 6: Final answer
x = 21,530,233.84
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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.