Finding the Fourth Proportional to 7,841,715.70, 11,762,573.55 and 6,582,003.70
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Solution
The fourth proportional to 7,841,715.70, 11,762,573.55 and 6,582,003.70 is: 9,873,005.55
Step by Step Solution
- Step 1: Write the proportion equation
7,841,715.70 : 11,762,573.55 = 6,582,003.70 : x - Step 2: Convert to fraction form
7,841,715.70/11,762,573.55 = 6,582,003.70/x - Step 3: Cross multiply
7,841,715.70x = 11,762,573.55 × 6,582,003.70 - Step 4: Simplify right side
7,841,715.70x = 77,421,302,627,622.14 - Step 5: Solve for x
x = 77,421,302,627,622.14/7,841,715.70 - Step 6: Final answer
x = 9,873,005.55
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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.