Finding the Fourth Proportional to 10,368,064.80, 15,552,097.20 and 2,794,759.20
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Solution
The fourth proportional to 10,368,064.80, 15,552,097.20 and 2,794,759.20 is: 4,192,138.80
Step by Step Solution
- Step 1: Write the proportion equation
10,368,064.80 : 15,552,097.20 = 2,794,759.20 : x - Step 2: Convert to fraction form
10,368,064.80/15,552,097.20 = 2,794,759.20/x - Step 3: Cross multiply
10,368,064.80x = 15,552,097.20 × 2,794,759.20 - Step 4: Simplify right side
10,368,064.80x = 43,464,366,728,994.24 - Step 5: Solve for x
x = 43,464,366,728,994.24/10,368,064.80 - Step 6: Final answer
x = 4,192,138.80
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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.