Finding the Fourth Proportional to 7,207,040.44, 9,945,716.58 and 3,943,855.84
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Solution
The fourth proportional to 7,207,040.44, 9,945,716.58 and 3,943,855.84 is: 5,442,521.48
Step by Step Solution
- Step 1: Write the proportion equation
7,207,040.44 : 9,945,716.58 = 3,943,855.84 : x - Step 2: Convert to fraction form
7,207,040.44/9,945,716.58 = 3,943,855.84/x - Step 3: Cross multiply
7,207,040.44x = 9,945,716.58 × 3,943,855.84 - Step 4: Simplify right side
7,207,040.44x = 39,224,472,417,017.83 - Step 5: Solve for x
x = 39,224,472,417,017.83/7,207,040.44 - Step 6: Final answer
x = 5,442,521.48
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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.