Finding the Fourth Proportional to 6,923,708.02, 10,376,278.66 and 5,388,557.12
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Solution
The fourth proportional to 6,923,708.02, 10,376,278.66 and 5,388,557.12 is: 8,075,610.65
Step by Step Solution
- Step 1: Write the proportion equation
6,923,708.02 : 10,376,278.66 = 5,388,557.12 : x - Step 2: Convert to fraction form
6,923,708.02/10,376,278.66 = 5,388,557.12/x - Step 3: Cross multiply
6,923,708.02x = 10,376,278.66 × 5,388,557.12 - Step 4: Simplify right side
6,923,708.02x = 55,913,170,252,447.06 - Step 5: Solve for x
x = 55,913,170,252,447.06/6,923,708.02 - Step 6: Final answer
x = 8,075,610.65
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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.