Finding the Fourth Proportional to 7,381,805.10, 11,072,707.65 and 6,035,487.90
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Solution
The fourth proportional to 7,381,805.10, 11,072,707.65 and 6,035,487.90 is: 9,053,231.85
Step by Step Solution
- Step 1: Write the proportion equation
7,381,805.10 : 11,072,707.65 = 6,035,487.90 : x - Step 2: Convert to fraction form
7,381,805.10/11,072,707.65 = 6,035,487.90/x - Step 3: Cross multiply
7,381,805.10x = 11,072,707.65 × 6,035,487.90 - Step 4: Simplify right side
7,381,805.10x = 66,829,193,041,812.44 - Step 5: Solve for x
x = 66,829,193,041,812.44/7,381,805.10 - Step 6: Final answer
x = 9,053,231.85
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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.