Finding the Fourth Proportional to 21,952,179.74, 32,915,505.87 and 8,306,380.26
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Solution
The fourth proportional to 21,952,179.74, 32,915,505.87 and 8,306,380.26 is: 12,454,740.78
Step by Step Solution
- Step 1: Write the proportion equation
21,952,179.74 : 32,915,505.87 = 8,306,380.26 : x - Step 2: Convert to fraction form
21,952,179.74/32,915,505.87 = 8,306,380.26/x - Step 3: Cross multiply
21,952,179.74x = 32,915,505.87 × 8,306,380.26 - Step 4: Simplify right side
21,952,179.74x = 273,408,708,206,482.12 - Step 5: Solve for x
x = 273,408,708,206,482.12/21,952,179.74 - Step 6: Final answer
x = 12,454,740.78
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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.