Finding the Fourth Proportional to 11,490,231.80, 15,856,516.02 and 6,333,679.48
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Solution
The fourth proportional to 11,490,231.80, 15,856,516.02 and 6,333,679.48 is: 8,740,475.55
Step by Step Solution
- Step 1: Write the proportion equation
11,490,231.80 : 15,856,516.02 = 6,333,679.48 : x - Step 2: Convert to fraction form
11,490,231.80/15,856,516.02 = 6,333,679.48/x - Step 3: Cross multiply
11,490,231.80x = 15,856,516.02 × 6,333,679.48 - Step 4: Simplify right side
11,490,231.80x = 100,430,090,140,165.28 - Step 5: Solve for x
x = 100,430,090,140,165.28/11,490,231.80 - Step 6: Final answer
x = 8,740,475.55
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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.