Finding the Fourth Proportional to 8,812,057.48, 12,160,737.36 and 4,892,078.68
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Solution
The fourth proportional to 8,812,057.48, 12,160,737.36 and 4,892,078.68 is: 6,751,123.00
Step by Step Solution
- Step 1: Write the proportion equation
8,812,057.48 : 12,160,737.36 = 4,892,078.68 : x - Step 2: Convert to fraction form
8,812,057.48/12,160,737.36 = 4,892,078.68/x - Step 3: Cross multiply
8,812,057.48x = 12,160,737.36 × 4,892,078.68 - Step 4: Simplify right side
8,812,057.48x = 59,491,283,971,935.48 - Step 5: Solve for x
x = 59,491,283,971,935.48/8,812,057.48 - Step 6: Final answer
x = 6,751,123.00
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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.