Finding the Fourth Proportional to 11,975,191.56, 16,525,770.66 and 6,468,566.28
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Solution
The fourth proportional to 11,975,191.56, 16,525,770.66 and 6,468,566.28 is: 8,926,624.87
Step by Step Solution
- Step 1: Write the proportion equation
11,975,191.56 : 16,525,770.66 = 6,468,566.28 : x - Step 2: Convert to fraction form
11,975,191.56/16,525,770.66 = 6,468,566.28/x - Step 3: Cross multiply
11,975,191.56x = 16,525,770.66 × 6,468,566.28 - Step 4: Simplify right side
11,975,191.56x = 106,898,042,842,289.34 - Step 5: Solve for x
x = 106,898,042,842,289.34/11,975,191.56 - Step 6: Final answer
x = 8,926,624.87
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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.