Finding the Fourth Proportional to 38,591,591.87, 57,875,097.67 and 12,677,878.08
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Solution
The fourth proportional to 38,591,591.87, 57,875,097.67 and 12,677,878.08 is: 19,012,779.64
Step by Step Solution
- Step 1: Write the proportion equation
38,591,591.87 : 57,875,097.67 = 12,677,878.08 : x - Step 2: Convert to fraction form
38,591,591.87/57,875,097.67 = 12,677,878.08/x - Step 3: Cross multiply
38,591,591.87x = 57,875,097.67 × 12,677,878.08 - Step 4: Simplify right side
38,591,591.87x = 733,733,432,096,657.38 - Step 5: Solve for x
x = 733,733,432,096,657.38/38,591,591.87 - Step 6: Final answer
x = 19,012,779.64
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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.