Finding the Fourth Proportional to 7,403,916.30, 11,093,432.85 and 3,609,228.30
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Solution
The fourth proportional to 7,403,916.30, 11,093,432.85 and 3,609,228.30 is: 5,407,777.47
Step by Step Solution
- Step 1: Write the proportion equation
7,403,916.30 : 11,093,432.85 = 3,609,228.30 : x - Step 2: Convert to fraction form
7,403,916.30/11,093,432.85 = 3,609,228.30/x - Step 3: Cross multiply
7,403,916.30x = 11,093,432.85 × 3,609,228.30 - Step 4: Simplify right side
7,403,916.30x = 40,038,731,786,369.65 - Step 5: Solve for x
x = 40,038,731,786,369.65/7,403,916.30 - Step 6: Final answer
x = 5,407,777.47
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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.