Finding the Fourth Proportional to 7,362,777.30, 11,045,362.65 and 2,175,913.14
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Solution
The fourth proportional to 7,362,777.30, 11,045,362.65 and 2,175,913.14 is: 3,264,223.37
Step by Step Solution
- Step 1: Write the proportion equation
7,362,777.30 : 11,045,362.65 = 2,175,913.14 : x - Step 2: Convert to fraction form
7,362,777.30/11,045,362.65 = 2,175,913.14/x - Step 3: Cross multiply
7,362,777.30x = 11,045,362.65 × 2,175,913.14 - Step 4: Simplify right side
7,362,777.30x = 24,033,749,726,200.22 - Step 5: Solve for x
x = 24,033,749,726,200.22/7,362,777.30 - Step 6: Final answer
x = 3,264,223.37
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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.