Finding the Fourth Proportional to 18,037,708.53, 24,875,965.38 and 14,064,964.03
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Solution
The fourth proportional to 18,037,708.53, 24,875,965.38 and 14,064,964.03 is: 19,397,117.86
Step by Step Solution
- Step 1: Write the proportion equation
18,037,708.53 : 24,875,965.38 = 14,064,964.03 : x - Step 2: Convert to fraction form
18,037,708.53/24,875,965.38 = 14,064,964.03/x - Step 3: Cross multiply
18,037,708.53x = 24,875,965.38 × 14,064,964.03 - Step 4: Simplify right side
18,037,708.53x = 349,879,558,365,063.81 - Step 5: Solve for x
x = 349,879,558,365,063.81/18,037,708.53 - Step 6: Final answer
x = 19,397,117.86
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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.