Finding the Fourth Proportional to 10,775,207.73, 14,870,134.53 and 6,128,873.39
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Solution
The fourth proportional to 10,775,207.73, 14,870,134.53 and 6,128,873.39 is: 8,458,043.13
Step by Step Solution
- Step 1: Write the proportion equation
10,775,207.73 : 14,870,134.53 = 6,128,873.39 : x - Step 2: Convert to fraction form
10,775,207.73/14,870,134.53 = 6,128,873.39/x - Step 3: Cross multiply
10,775,207.73x = 14,870,134.53 × 6,128,873.39 - Step 4: Simplify right side
10,775,207.73x = 91,137,171,752,286.48 - Step 5: Solve for x
x = 91,137,171,752,286.48/10,775,207.73 - Step 6: Final answer
x = 8,458,043.13
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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.