Finding the Fourth Proportional to 19,787,889.92, 29,680,383.36 and 6,321,102.08
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Solution
The fourth proportional to 19,787,889.92, 29,680,383.36 and 6,321,102.08 is: 9,481,189.44
Step by Step Solution
- Step 1: Write the proportion equation
19,787,889.92 : 29,680,383.36 = 6,321,102.08 : x - Step 2: Convert to fraction form
19,787,889.92/29,680,383.36 = 6,321,102.08/x - Step 3: Cross multiply
19,787,889.92x = 29,680,383.36 × 6,321,102.08 - Step 4: Simplify right side
19,787,889.92x = 187,612,732,992,093.38 - Step 5: Solve for x
x = 187,612,732,992,093.38/19,787,889.92 - Step 6: Final answer
x = 9,481,189.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.