Finding the Fourth Proportional to 10,193,040.75, 14,066,398.28 and 5,609,362.12
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Solution
The fourth proportional to 10,193,040.75, 14,066,398.28 and 5,609,362.12 is: 7,740,920.85
Step by Step Solution
- Step 1: Write the proportion equation
10,193,040.75 : 14,066,398.28 = 5,609,362.12 : x - Step 2: Convert to fraction form
10,193,040.75/14,066,398.28 = 5,609,362.12/x - Step 3: Cross multiply
10,193,040.75x = 14,066,398.28 × 5,609,362.12 - Step 4: Simplify right side
10,193,040.75x = 78,903,521,676,665.16 - Step 5: Solve for x
x = 78,903,521,676,665.16/10,193,040.75 - Step 6: Final answer
x = 7,740,920.85
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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.