Finding the Fourth Proportional to 12,201,009.60, 18,296,265.60 and 6,133,396.80
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Solution
The fourth proportional to 12,201,009.60, 18,296,265.60 and 6,133,396.80 is: 9,197,456.65
Step by Step Solution
- Step 1: Write the proportion equation
12,201,009.60 : 18,296,265.60 = 6,133,396.80 : x - Step 2: Convert to fraction form
12,201,009.60/18,296,265.60 = 6,133,396.80/x - Step 3: Cross multiply
12,201,009.60x = 18,296,265.60 × 6,133,396.80 - Step 4: Simplify right side
12,201,009.60x = 112,218,256,882,990.08 - Step 5: Solve for x
x = 112,218,256,882,990.08/12,201,009.60 - Step 6: Final answer
x = 9,197,456.65
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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.