Finding the Fourth Proportional to 11,558,371.74, 15,949,967.76 and 6,331,310.52
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Solution
The fourth proportional to 11,558,371.74, 15,949,967.76 and 6,331,310.52 is: 8,736,887.94
Step by Step Solution
- Step 1: Write the proportion equation
11,558,371.74 : 15,949,967.76 = 6,331,310.52 : x - Step 2: Convert to fraction form
11,558,371.74/15,949,967.76 = 6,331,310.52/x - Step 3: Cross multiply
11,558,371.74x = 15,949,967.76 × 6,331,310.52 - Step 4: Simplify right side
11,558,371.74x = 100,984,198,672,548.83 - Step 5: Solve for x
x = 100,984,198,672,548.83/11,558,371.74 - Step 6: Final answer
x = 8,736,887.94
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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.