Finding the Fourth Proportional to 11,870,147.09, 16,375,602.12 and 6,973,160.06
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Solution
The fourth proportional to 11,870,147.09, 16,375,602.12 and 6,973,160.06 is: 9,619,905.62
Step by Step Solution
- Step 1: Write the proportion equation
11,870,147.09 : 16,375,602.12 = 6,973,160.06 : x - Step 2: Convert to fraction form
11,870,147.09/16,375,602.12 = 6,973,160.06/x - Step 3: Cross multiply
11,870,147.09x = 16,375,602.12 × 6,973,160.06 - Step 4: Simplify right side
11,870,147.09x = 114,189,694,661,635.31 - Step 5: Solve for x
x = 114,189,694,661,635.31/11,870,147.09 - Step 6: Final answer
x = 9,619,905.62
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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.