Finding the Fourth Proportional to 11,357,327.75, 15,673,031.16 and 6,200,689.13
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Solution
The fourth proportional to 11,357,327.75, 15,673,031.16 and 6,200,689.13 is: 8,556,906.70
Step by Step Solution
- Step 1: Write the proportion equation
11,357,327.75 : 15,673,031.16 = 6,200,689.13 : x - Step 2: Convert to fraction form
11,357,327.75/15,673,031.16 = 6,200,689.13/x - Step 3: Cross multiply
11,357,327.75x = 15,673,031.16 × 6,200,689.13 - Step 4: Simplify right side
11,357,327.75x = 97,183,593,947,963.30 - Step 5: Solve for x
x = 97,183,593,947,963.30/11,357,327.75 - Step 6: Final answer
x = 8,556,906.70
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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.