Finding the Fourth Proportional to 6,993,769.84, 9,651,700.23 and 3,896,291.44
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Solution
The fourth proportional to 6,993,769.84, 9,651,700.23 and 3,896,291.44 is: 5,377,048.12
Step by Step Solution
- Step 1: Write the proportion equation
6,993,769.84 : 9,651,700.23 = 3,896,291.44 : x - Step 2: Convert to fraction form
6,993,769.84/9,651,700.23 = 3,896,291.44/x - Step 3: Cross multiply
6,993,769.84x = 9,651,700.23 × 3,896,291.44 - Step 4: Simplify right side
6,993,769.84x = 37,605,836,990,778.12 - Step 5: Solve for x
x = 37,605,836,990,778.12/6,993,769.84 - Step 6: Final answer
x = 5,377,048.12
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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.