Finding the Fourth Proportional to 7,816,745.97, 11,724,555.74 and 2,425,257.59
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Solution
The fourth proportional to 7,816,745.97, 11,724,555.74 and 2,425,257.59 is: 3,637,711.63
Step by Step Solution
- Step 1: Write the proportion equation
7,816,745.97 : 11,724,555.74 = 2,425,257.59 : x - Step 2: Convert to fraction form
7,816,745.97/11,724,555.74 = 2,425,257.59/x - Step 3: Cross multiply
7,816,745.97x = 11,724,555.74 × 2,425,257.59 - Step 4: Simplify right side
7,816,745.97x = 28,435,067,727,064 - Step 5: Solve for x
x = 28,435,067,727,064/7,816,745.97 - Step 6: Final answer
x = 3,637,711.63
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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.