Finding the Fourth Proportional to 8,230,815.19, 12,343,605.98 and 7,693,477.19
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Solution
The fourth proportional to 8,230,815.19, 12,343,605.98 and 7,693,477.19 is: 11,537,769.81
Step by Step Solution
- Step 1: Write the proportion equation
8,230,815.19 : 12,343,605.98 = 7,693,477.19 : x - Step 2: Convert to fraction form
8,230,815.19/12,343,605.98 = 7,693,477.19/x - Step 3: Cross multiply
8,230,815.19x = 12,343,605.98 × 7,693,477.19 - Step 4: Simplify right side
8,230,815.19x = 94,965,250,949,292.17 - Step 5: Solve for x
x = 94,965,250,949,292.17/8,230,815.19 - Step 6: Final answer
x = 11,537,769.81
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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.