Finding the Fourth Proportional to 10,649,020.97, 15,980,718.75 and 4,171,292.82
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Solution
The fourth proportional to 10,649,020.97, 15,980,718.75 and 4,171,292.82 is: 6,259,754.54
Step by Step Solution
- Step 1: Write the proportion equation
10,649,020.97 : 15,980,718.75 = 4,171,292.82 : x - Step 2: Convert to fraction form
10,649,020.97/15,980,718.75 = 4,171,292.82/x - Step 3: Cross multiply
10,649,020.97x = 15,980,718.75 × 4,171,292.82 - Step 4: Simplify right side
10,649,020.97x = 66,660,257,331,460.10 - Step 5: Solve for x
x = 66,660,257,331,460.10/10,649,020.97 - Step 6: Final answer
x = 6,259,754.54
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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.