Finding the Fourth Proportional to 11,546,732.48, 15,934,990.97 and 6,390,095.70
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Solution
The fourth proportional to 11,546,732.48, 15,934,990.97 and 6,390,095.70 is: 8,818,608.85
Step by Step Solution
- Step 1: Write the proportion equation
11,546,732.48 : 15,934,990.97 = 6,390,095.70 : x - Step 2: Convert to fraction form
11,546,732.48/15,934,990.97 = 6,390,095.70/x - Step 3: Cross multiply
11,546,732.48x = 15,934,990.97 × 6,390,095.70 - Step 4: Simplify right side
11,546,732.48x = 101,826,117,244,985.36 - Step 5: Solve for x
x = 101,826,117,244,985.36/11,546,732.48 - Step 6: Final answer
x = 8,818,608.85
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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.