Finding the Fourth Proportional to 20,463,106.01, 28,167,409.62 and 17,844,991.00
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Solution
The fourth proportional to 20,463,106.01, 28,167,409.62 and 17,844,991.00 is: 24,563,581.45
Step by Step Solution
- Step 1: Write the proportion equation
20,463,106.01 : 28,167,409.62 = 17,844,991.00 : x - Step 2: Convert to fraction form
20,463,106.01/28,167,409.62 = 17,844,991.00/x - Step 3: Cross multiply
20,463,106.01x = 28,167,409.62 × 17,844,991.00 - Step 4: Simplify right side
20,463,106.01x = 502,647,171,091,794.88 - Step 5: Solve for x
x = 502,647,171,091,794.88/20,463,106.01 - Step 6: Final answer
x = 24,563,581.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.