Finding the Fourth Proportional to 18,106,888.66, 27,172,298.62 and 8,525,007.42
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Solution
The fourth proportional to 18,106,888.66, 27,172,298.62 and 8,525,007.42 is: 12,793,144.74
Step by Step Solution
- Step 1: Write the proportion equation
18,106,888.66 : 27,172,298.62 = 8,525,007.42 : x - Step 2: Convert to fraction form
18,106,888.66/27,172,298.62 = 8,525,007.42/x - Step 3: Cross multiply
18,106,888.66x = 27,172,298.62 × 8,525,007.42 - Step 4: Simplify right side
18,106,888.66x = 231,644,047,353,955.78 - Step 5: Solve for x
x = 231,644,047,353,955.78/18,106,888.66 - Step 6: Final answer
x = 12,793,144.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.