Finding the Fourth Proportional to 8,204,843.14, 11,329,946.13 and 5,112,643.84
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Solution
The fourth proportional to 8,204,843.14, 11,329,946.13 and 5,112,643.84 is: 7,059,974.01
Step by Step Solution
- Step 1: Write the proportion equation
8,204,843.14 : 11,329,946.13 = 5,112,643.84 : x - Step 2: Convert to fraction form
8,204,843.14/11,329,946.13 = 5,112,643.84/x - Step 3: Cross multiply
8,204,843.14x = 11,329,946.13 × 5,112,643.84 - Step 4: Simplify right side
8,204,843.14x = 57,925,979,289,076.34 - Step 5: Solve for x
x = 57,925,979,289,076.34/8,204,843.14 - Step 6: Final answer
x = 7,059,974.01
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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.