Finding the Fourth Proportional to 27,972,201.08, 38,602,827.99 and 15,582,279.52
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Solution
The fourth proportional to 27,972,201.08, 38,602,827.99 and 15,582,279.52 is: 21,504,208.92
Step by Step Solution
- Step 1: Write the proportion equation
27,972,201.08 : 38,602,827.99 = 15,582,279.52 : x - Step 2: Convert to fraction form
27,972,201.08/38,602,827.99 = 15,582,279.52/x - Step 3: Cross multiply
27,972,201.08x = 38,602,827.99 × 15,582,279.52 - Step 4: Simplify right side
27,972,201.08x = 601,520,056,050,913.38 - Step 5: Solve for x
x = 601,520,056,050,913.38/27,972,201.08 - Step 6: Final answer
x = 21,504,208.92
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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.