Finding the Fourth Proportional to 7,890,763.68, 11,825,681.94 and 4,052,431.26
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Solution
The fourth proportional to 7,890,763.68, 11,825,681.94 and 4,052,431.26 is: 6,073,273.15
Step by Step Solution
- Step 1: Write the proportion equation
7,890,763.68 : 11,825,681.94 = 4,052,431.26 : x - Step 2: Convert to fraction form
7,890,763.68/11,825,681.94 = 4,052,431.26/x - Step 3: Cross multiply
7,890,763.68x = 11,825,681.94 × 4,052,431.26 - Step 4: Simplify right side
7,890,763.68x = 47,922,763,164,473.44 - Step 5: Solve for x
x = 47,922,763,164,473.44/7,890,763.68 - Step 6: Final answer
x = 6,073,273.15
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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.