Finding the Fourth Proportional to 18,551,750.40, 27,827,625.60 and 6,582,931.20
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Solution
The fourth proportional to 18,551,750.40, 27,827,625.60 and 6,582,931.20 is: 9,874,396.80
Step by Step Solution
- Step 1: Write the proportion equation
18,551,750.40 : 27,827,625.60 = 6,582,931.20 : x - Step 2: Convert to fraction form
18,551,750.40/27,827,625.60 = 6,582,931.20/x - Step 3: Cross multiply
18,551,750.40x = 27,827,625.60 × 6,582,931.20 - Step 4: Simplify right side
18,551,750.40x = 183,187,344,784,158.75 - Step 5: Solve for x
x = 183,187,344,784,158.75/18,551,750.40 - Step 6: Final answer
x = 9,874,396.80
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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.