Finding the Fourth Proportional to 9,615,872.26, 13,269,901.38 and 5,264,957.41
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Solution
The fourth proportional to 9,615,872.26, 13,269,901.38 and 5,264,957.41 is: 7,265,639.95
Step by Step Solution
- Step 1: Write the proportion equation
9,615,872.26 : 13,269,901.38 = 5,264,957.41 : x - Step 2: Convert to fraction form
9,615,872.26/13,269,901.38 = 5,264,957.41/x - Step 3: Cross multiply
9,615,872.26x = 13,269,901.38 × 5,264,957.41 - Step 4: Simplify right side
9,615,872.26x = 69,865,465,600,600.23 - Step 5: Solve for x
x = 69,865,465,600,600.23/9,615,872.26 - Step 6: Final answer
x = 7,265,639.95
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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.