Finding the Fourth Proportional to 8,069,817.49, 11,136,013.05 and 4,398,653.28
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Solution
The fourth proportional to 8,069,817.49, 11,136,013.05 and 4,398,653.28 is: 6,069,958.88
Step by Step Solution
- Step 1: Write the proportion equation
8,069,817.49 : 11,136,013.05 = 4,398,653.28 : x - Step 2: Convert to fraction form
8,069,817.49/11,136,013.05 = 4,398,653.28/x - Step 3: Cross multiply
8,069,817.49x = 11,136,013.05 × 4,398,653.28 - Step 4: Simplify right side
8,069,817.49x = 48,983,460,328,505.31 - Step 5: Solve for x
x = 48,983,460,328,505.31/8,069,817.49 - Step 6: Final answer
x = 6,069,958.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.