Finding the Fourth Proportional to 7,976,797.24, 11,968,210.94 and 3,122,572.68
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Solution
The fourth proportional to 7,976,797.24, 11,968,210.94 and 3,122,572.68 is: 4,685,039.29
Step by Step Solution
- Step 1: Write the proportion equation
7,976,797.24 : 11,968,210.94 = 3,122,572.68 : x - Step 2: Convert to fraction form
7,976,797.24/11,968,210.94 = 3,122,572.68/x - Step 3: Cross multiply
7,976,797.24x = 11,968,210.94 × 3,122,572.68 - Step 4: Simplify right side
7,976,797.24x = 37,371,608,509,721.12 - Step 5: Solve for x
x = 37,371,608,509,721.12/7,976,797.24 - Step 6: Final answer
x = 4,685,039.29
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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.