Finding the Fourth Proportional to 12,731,325.05, 19,096,798.57 and 3,146,703.05
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Solution
The fourth proportional to 12,731,325.05, 19,096,798.57 and 3,146,703.05 is: 4,720,007.85
Step by Step Solution
- Step 1: Write the proportion equation
12,731,325.05 : 19,096,798.57 = 3,146,703.05 : x - Step 2: Convert to fraction form
12,731,325.05/19,096,798.57 = 3,146,703.05/x - Step 3: Cross multiply
12,731,325.05x = 19,096,798.57 × 3,146,703.05 - Step 4: Simplify right side
12,731,325.05x = 60,091,954,194,237.13 - Step 5: Solve for x
x = 60,091,954,194,237.13/12,731,325.05 - Step 6: Final answer
x = 4,720,007.85
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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.