Finding the Fourth Proportional to 23,163,309.99, 31,965,405.44 and 12,850,033.19
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Solution
The fourth proportional to 23,163,309.99, 31,965,405.44 and 12,850,033.19 is: 17,733,066.68
Step by Step Solution
- Step 1: Write the proportion equation
23,163,309.99 : 31,965,405.44 = 12,850,033.19 : x - Step 2: Convert to fraction form
23,163,309.99/31,965,405.44 = 12,850,033.19/x - Step 3: Cross multiply
23,163,309.99x = 31,965,405.44 × 12,850,033.19 - Step 4: Simplify right side
23,163,309.99x = 410,756,520,611,729.38 - Step 5: Solve for x
x = 410,756,520,611,729.38/23,163,309.99 - Step 6: Final answer
x = 17,733,066.68
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1.5x scale
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.