Finding the Fourth Proportional to 8,192,538.40, 12,298,138.80 and 4,828,640.80
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Solution
The fourth proportional to 8,192,538.40, 12,298,138.80 and 4,828,640.80 is: 7,248,460.96
Step by Step Solution
- Step 1: Write the proportion equation
8,192,538.40 : 12,298,138.80 = 4,828,640.80 : x - Step 2: Convert to fraction form
8,192,538.40/12,298,138.80 = 4,828,640.80/x - Step 3: Cross multiply
8,192,538.40x = 12,298,138.80 × 4,828,640.80 - Step 4: Simplify right side
8,192,538.40x = 59,383,294,773,743.04 - Step 5: Solve for x
x = 59,383,294,773,743.04/8,192,538.40 - Step 6: Final answer
x = 7,248,460.96
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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.