Finding the Fourth Proportional to 9,842,163.60, 14,763,245.40 and 8,246,528.40
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Solution
The fourth proportional to 9,842,163.60, 14,763,245.40 and 8,246,528.40 is: 12,369,792.60
Step by Step Solution
- Step 1: Write the proportion equation
9,842,163.60 : 14,763,245.40 = 8,246,528.40 : x - Step 2: Convert to fraction form
9,842,163.60/14,763,245.40 = 8,246,528.40/x - Step 3: Cross multiply
9,842,163.60x = 14,763,245.40 × 8,246,528.40 - Step 4: Simplify right side
9,842,163.60x = 121,745,522,467,269.38 - Step 5: Solve for x
x = 121,745,522,467,269.38/9,842,163.60 - Step 6: Final answer
x = 12,369,792.60
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1.5x scale
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.