Finding the Fourth Proportional to 7,838,532.96, 11,757,839.16 and 2,446,731.44
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Solution
The fourth proportional to 7,838,532.96, 11,757,839.16 and 2,446,731.44 is: 3,670,109.56
Step by Step Solution
- Step 1: Write the proportion equation
7,838,532.96 : 11,757,839.16 = 2,446,731.44 : x - Step 2: Convert to fraction form
7,838,532.96/11,757,839.16 = 2,446,731.44/x - Step 3: Cross multiply
7,838,532.96x = 11,757,839.16 × 2,446,731.44 - Step 4: Simplify right side
7,838,532.96x = 28,768,274,739,235.19 - Step 5: Solve for x
x = 28,768,274,739,235.19/7,838,532.96 - Step 6: Final answer
x = 3,670,109.56
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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.