Finding the Fourth Proportional to 7,787,307.12, 11,683,068.84 and 2,395,843.44
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Solution
The fourth proportional to 7,787,307.12, 11,683,068.84 and 2,395,843.44 is: 3,594,413.76
Step by Step Solution
- Step 1: Write the proportion equation
7,787,307.12 : 11,683,068.84 = 2,395,843.44 : x - Step 2: Convert to fraction form
7,787,307.12/11,683,068.84 = 2,395,843.44/x - Step 3: Cross multiply
7,787,307.12x = 11,683,068.84 × 2,395,843.44 - Step 4: Simplify right side
7,787,307.12x = 27,990,803,839,382.41 - Step 5: Solve for x
x = 27,990,803,839,382.41/7,787,307.12 - Step 6: Final answer
x = 3,594,413.76
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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.