Finding the Fourth Proportional to 10,519,808.16, 14,517,193.28 and 5,873,664.80
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Solution
The fourth proportional to 10,519,808.16, 14,517,193.28 and 5,873,664.80 is: 8,105,578.15
Step by Step Solution
- Step 1: Write the proportion equation
10,519,808.16 : 14,517,193.28 = 5,873,664.80 : x - Step 2: Convert to fraction form
10,519,808.16/14,517,193.28 = 5,873,664.80/x - Step 3: Cross multiply
10,519,808.16x = 14,517,193.28 × 5,873,664.80 - Step 4: Simplify right side
10,519,808.16x = 85,269,127,163,532.53 - Step 5: Solve for x
x = 85,269,127,163,532.53/10,519,808.16 - Step 6: Final answer
x = 8,105,578.15
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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.