Finding the Fourth Proportional to 12,958,715.44, 19,430,552.95 and 6,135,231.01
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Solution
The fourth proportional to 12,958,715.44, 19,430,552.95 and 6,135,231.01 is: 9,199,286.12
Step by Step Solution
- Step 1: Write the proportion equation
12,958,715.44 : 19,430,552.95 = 6,135,231.01 : x - Step 2: Convert to fraction form
12,958,715.44/19,430,552.95 = 6,135,231.01/x - Step 3: Cross multiply
12,958,715.44x = 19,430,552.95 × 6,135,231.01 - Step 4: Simplify right side
12,958,715.44x = 119,210,931,000,286.97 - Step 5: Solve for x
x = 119,210,931,000,286.97/12,958,715.44 - Step 6: Final answer
x = 9,199,286.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.