Finding the Fourth Proportional to 10,271,970.75, 15,407,920.49 and 3,083,475.63
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Solution
The fourth proportional to 10,271,970.75, 15,407,920.49 and 3,083,475.63 is: 4,625,202.75
Step by Step Solution
- Step 1: Write the proportion equation
10,271,970.75 : 15,407,920.49 = 3,083,475.63 : x - Step 2: Convert to fraction form
10,271,970.75/15,407,920.49 = 3,083,475.63/x - Step 3: Cross multiply
10,271,970.75x = 15,407,920.49 × 3,083,475.63 - Step 4: Simplify right side
10,271,970.75x = 47,509,947,324,475.27 - Step 5: Solve for x
x = 47,509,947,324,475.27/10,271,970.75 - Step 6: Final answer
x = 4,625,202.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.