Finding the Fourth Proportional to 14,873,034.36, 20,543,495.76 and 12,268,975.08
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Solution
The fourth proportional to 14,873,034.36, 20,543,495.76 and 12,268,975.08 is: 16,946,618.39
Step by Step Solution
- Step 1: Write the proportion equation
14,873,034.36 : 20,543,495.76 = 12,268,975.08 : x - Step 2: Convert to fraction form
14,873,034.36/20,543,495.76 = 12,268,975.08/x - Step 3: Cross multiply
14,873,034.36x = 20,543,495.76 × 12,268,975.08 - Step 4: Simplify right side
14,873,034.36x = 252,047,637,535,525.69 - Step 5: Solve for x
x = 252,047,637,535,525.69/14,873,034.36 - Step 6: Final answer
x = 16,946,618.39
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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.