Finding the Fourth Proportional to 7,426,144.88, 11,130,596.84 and 2,812,198.24
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Solution
The fourth proportional to 7,426,144.88, 11,130,596.84 and 2,812,198.24 is: 4,215,032.88
Step by Step Solution
- Step 1: Write the proportion equation
7,426,144.88 : 11,130,596.84 = 2,812,198.24 : x - Step 2: Convert to fraction form
7,426,144.88/11,130,596.84 = 2,812,198.24/x - Step 3: Cross multiply
7,426,144.88x = 11,130,596.84 × 2,812,198.24 - Step 4: Simplify right side
7,426,144.88x = 31,301,444,843,597.56 - Step 5: Solve for x
x = 31,301,444,843,597.56/7,426,144.88 - Step 6: Final answer
x = 4,215,032.88
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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.