Finding the Fourth Proportional to 7,877,253.62, 11,817,141.36 and 3,328,346.48
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Solution
The fourth proportional to 7,877,253.62, 11,817,141.36 and 3,328,346.48 is: 4,993,052.50
Step by Step Solution
- Step 1: Write the proportion equation
7,877,253.62 : 11,817,141.36 = 3,328,346.48 : x - Step 2: Convert to fraction form
7,877,253.62/11,817,141.36 = 3,328,346.48/x - Step 3: Cross multiply
7,877,253.62x = 11,817,141.36 × 3,328,346.48 - Step 4: Simplify right side
7,877,253.62x = 39,331,540,849,218.41 - Step 5: Solve for x
x = 39,331,540,849,218.41/7,877,253.62 - Step 6: Final answer
x = 4,993,052.50
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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.