Finding the Fourth Proportional to 10,186,352.16, 14,057,431.92 and 5,602,793.82
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Solution
The fourth proportional to 10,186,352.16, 14,057,431.92 and 5,602,793.82 is: 7,732,001.75
Step by Step Solution
- Step 1: Write the proportion equation
10,186,352.16 : 14,057,431.92 = 5,602,793.82 : x - Step 2: Convert to fraction form
10,186,352.16/14,057,431.92 = 5,602,793.82/x - Step 3: Cross multiply
10,186,352.16x = 14,057,431.92 × 5,602,793.82 - Step 4: Simplify right side
10,186,352.16x = 78,760,892,686,446.73 - Step 5: Solve for x
x = 78,760,892,686,446.73/10,186,352.16 - Step 6: Final answer
x = 7,732,001.75
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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.