Finding the Fourth Proportional to 7,091,015.51, 10,628,454.80 and 4,315,161.08
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Solution
The fourth proportional to 7,091,015.51, 10,628,454.80 and 4,315,161.08 is: 6,467,831.64
Step by Step Solution
- Step 1: Write the proportion equation
7,091,015.51 : 10,628,454.80 = 4,315,161.08 : x - Step 2: Convert to fraction form
7,091,015.51/10,628,454.80 = 4,315,161.08/x - Step 3: Cross multiply
7,091,015.51x = 10,628,454.80 × 4,315,161.08 - Step 4: Simplify right side
7,091,015.51x = 45,863,494,493,499.19 - Step 5: Solve for x
x = 45,863,494,493,499.19/7,091,015.51 - Step 6: Final answer
x = 6,467,831.64
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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.