Finding the Fourth Proportional to 11,266,477.92, 15,548,397.12 and 6,372,133.92
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Solution
The fourth proportional to 11,266,477.92, 15,548,397.12 and 6,372,133.92 is: 8,793,916.73
Step by Step Solution
- Step 1: Write the proportion equation
11,266,477.92 : 15,548,397.12 = 6,372,133.92 : x - Step 2: Convert to fraction form
11,266,477.92/15,548,397.12 = 6,372,133.92/x - Step 3: Cross multiply
11,266,477.92x = 15,548,397.12 × 6,372,133.92 - Step 4: Simplify right side
11,266,477.92x = 99,076,468,689,982.30 - Step 5: Solve for x
x = 99,076,468,689,982.30/11,266,477.92 - Step 6: Final answer
x = 8,793,916.73
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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.