Finding the Fourth Proportional to 7,378,415.76, 11,069,199.36 and 2,586,397.44
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Solution
The fourth proportional to 7,378,415.76, 11,069,199.36 and 2,586,397.44 is: 3,880,148.51
Step by Step Solution
- Step 1: Write the proportion equation
7,378,415.76 : 11,069,199.36 = 2,586,397.44 : x - Step 2: Convert to fraction form
7,378,415.76/11,069,199.36 = 2,586,397.44/x - Step 3: Cross multiply
7,378,415.76x = 11,069,199.36 × 2,586,397.44 - Step 4: Simplify right side
7,378,415.76x = 28,629,348,887,553.64 - Step 5: Solve for x
x = 28,629,348,887,553.64/7,378,415.76 - Step 6: Final answer
x = 3,880,148.51
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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.