Finding the Fourth Proportional to 7,624,221.18, 11,436,468.46 and 2,769,975.12
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Solution
The fourth proportional to 7,624,221.18, 11,436,468.46 and 2,769,975.12 is: 4,155,012.34
Step by Step Solution
- Step 1: Write the proportion equation
7,624,221.18 : 11,436,468.46 = 2,769,975.12 : x - Step 2: Convert to fraction form
7,624,221.18/11,436,468.46 = 2,769,975.12/x - Step 3: Cross multiply
7,624,221.18x = 11,436,468.46 × 2,769,975.12 - Step 4: Simplify right side
7,624,221.18x = 31,678,733,112,656.32 - Step 5: Solve for x
x = 31,678,733,112,656.32/7,624,221.18 - Step 6: Final answer
x = 4,155,012.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.