Finding the Fourth Proportional to 7,438,487.87, 11,156,425.07 and 2,045,837.94
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Solution
The fourth proportional to 7,438,487.87, 11,156,425.07 and 2,045,837.94 is: 3,068,397.51
Step by Step Solution
- Step 1: Write the proportion equation
7,438,487.87 : 11,156,425.07 = 2,045,837.94 : x - Step 2: Convert to fraction form
7,438,487.87/11,156,425.07 = 2,045,837.94/x - Step 3: Cross multiply
7,438,487.87x = 11,156,425.07 × 2,045,837.94 - Step 4: Simplify right side
7,438,487.87x = 22,824,237,672,743.96 - Step 5: Solve for x
x = 22,824,237,672,743.96/7,438,487.87 - Step 6: Final answer
x = 3,068,397.51
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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.