Finding the Fourth Proportional to 7,510,456.28, 11,198,195.65 and 6,869,161.13
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Solution
The fourth proportional to 7,510,456.28, 11,198,195.65 and 6,869,161.13 is: 10,242,015.59
Step by Step Solution
- Step 1: Write the proportion equation
7,510,456.28 : 11,198,195.65 = 6,869,161.13 : x - Step 2: Convert to fraction form
7,510,456.28/11,198,195.65 = 6,869,161.13/x - Step 3: Cross multiply
7,510,456.28x = 11,198,195.65 × 6,869,161.13 - Step 4: Simplify right side
7,510,456.28x = 76,922,210,351,518.28 - Step 5: Solve for x
x = 76,922,210,351,518.28/7,510,456.28 - Step 6: Final answer
x = 10,242,015.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.