Finding the Fourth Proportional to 11,969,497.68, 16,517,925.72 and 6,812,859.60
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Solution
The fourth proportional to 11,969,497.68, 16,517,925.72 and 6,812,859.60 is: 9,401,757.02
Step by Step Solution
- Step 1: Write the proportion equation
11,969,497.68 : 16,517,925.72 = 6,812,859.60 : x - Step 2: Convert to fraction form
11,969,497.68/16,517,925.72 = 6,812,859.60/x - Step 3: Cross multiply
11,969,497.68x = 16,517,925.72 × 6,812,859.60 - Step 4: Simplify right side
11,969,497.68x = 112,534,308,813,588.91 - Step 5: Solve for x
x = 112,534,308,813,588.91/11,969,497.68 - Step 6: Final answer
x = 9,401,757.02
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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.