Finding the Fourth Proportional to 49,482,877.87, 68,286,350.59 and 28,852,339.87
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Solution
The fourth proportional to 49,482,877.87, 68,286,350.59 and 28,852,339.87 is: 39,816,216.85
Step by Step Solution
- Step 1: Write the proportion equation
49,482,877.87 : 68,286,350.59 = 28,852,339.87 : x - Step 2: Convert to fraction form
49,482,877.87/68,286,350.59 = 28,852,339.87/x - Step 3: Cross multiply
49,482,877.87x = 68,286,350.59 × 28,852,339.87 - Step 4: Simplify right side
49,482,877.87x = 1,970,220,995,704,655.25 - Step 5: Solve for x
x = 1,970,220,995,704,655.25/49,482,877.87 - Step 6: Final answer
x = 39,816,216.85
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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.