Finding the Fourth Proportional to 9,946,123.85, 13,718,252.26 and 8,782,517.19
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Solution
The fourth proportional to 9,946,123.85, 13,718,252.26 and 8,782,517.19 is: 12,113,340.64
Step by Step Solution
- Step 1: Write the proportion equation
9,946,123.85 : 13,718,252.26 = 8,782,517.19 : x - Step 2: Convert to fraction form
9,946,123.85/13,718,252.26 = 8,782,517.19/x - Step 3: Cross multiply
9,946,123.85x = 13,718,252.26 × 8,782,517.19 - Step 4: Simplify right side
9,946,123.85x = 120,480,786,300,159.20 - Step 5: Solve for x
x = 120,480,786,300,159.20/9,946,123.85 - Step 6: Final answer
x = 12,113,340.64
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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.