Finding the Fourth Proportional to 10,644,639.76, 14,689,608.70 and 5,749,861.88
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Solution
The fourth proportional to 10,644,639.76, 14,689,608.70 and 5,749,861.88 is: 7,934,812.54
Step by Step Solution
- Step 1: Write the proportion equation
10,644,639.76 : 14,689,608.70 = 5,749,861.88 : x - Step 2: Convert to fraction form
10,644,639.76/14,689,608.70 = 5,749,861.88/x - Step 3: Cross multiply
10,644,639.76x = 14,689,608.70 × 5,749,861.88 - Step 4: Simplify right side
10,644,639.76x = 84,463,221,096,246.34 - Step 5: Solve for x
x = 84,463,221,096,246.34/10,644,639.76 - Step 6: Final answer
x = 7,934,812.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.