Finding the Fourth Proportional to 8,230,828.44, 12,343,625.84 and 7,693,490.46
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Solution
The fourth proportional to 8,230,828.44, 12,343,625.84 and 7,693,490.46 is: 11,537,789.71
Step by Step Solution
- Step 1: Write the proportion equation
8,230,828.44 : 12,343,625.84 = 7,693,490.46 : x - Step 2: Convert to fraction form
8,230,828.44/12,343,625.84 = 7,693,490.46/x - Step 3: Cross multiply
8,230,828.44x = 12,343,625.84 × 7,693,490.46 - Step 4: Simplify right side
8,230,828.44x = 94,965,567,641,849.48 - Step 5: Solve for x
x = 94,965,567,641,849.48/8,230,828.44 - Step 6: Final answer
x = 11,537,789.71
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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.