Finding the Fourth Proportional to 7,958,209.47, 11,939,836.34 and 2,840,525.93
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Solution
The fourth proportional to 7,958,209.47, 11,939,836.34 and 2,840,525.93 is: 4,261,689.12
Step by Step Solution
- Step 1: Write the proportion equation
7,958,209.47 : 11,939,836.34 = 2,840,525.93 : x - Step 2: Convert to fraction form
7,958,209.47/11,939,836.34 = 2,840,525.93/x - Step 3: Cross multiply
7,958,209.47x = 11,939,836.34 × 2,840,525.93 - Step 4: Simplify right side
7,958,209.47x = 33,915,414,723,726.30 - Step 5: Solve for x
x = 33,915,414,723,726.30/7,958,209.47 - Step 6: Final answer
x = 4,261,689.12
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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.