Finding the Fourth Proportional to 12,234,892.86, 16,883,795.12 and 6,728,262.17
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Solution
The fourth proportional to 12,234,892.86, 16,883,795.12 and 6,728,262.17 is: 9,284,805.45
Step by Step Solution
- Step 1: Write the proportion equation
12,234,892.86 : 16,883,795.12 = 6,728,262.17 : x - Step 2: Convert to fraction form
12,234,892.86/16,883,795.12 = 6,728,262.17/x - Step 3: Cross multiply
12,234,892.86x = 16,883,795.12 × 6,728,262.17 - Step 4: Simplify right side
12,234,892.86x = 113,598,599,873,866.31 - Step 5: Solve for x
x = 113,598,599,873,866.31/12,234,892.86 - Step 6: Final answer
x = 9,284,805.45
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1.5x scale
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.