Finding the Fourth Proportional to 10,165,122.06, 15,243,207.03 and 4,775,304.30
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Solution
The fourth proportional to 10,165,122.06, 15,243,207.03 and 4,775,304.30 is: 7,160,853.72
Step by Step Solution
- Step 1: Write the proportion equation
10,165,122.06 : 15,243,207.03 = 4,775,304.30 : x - Step 2: Convert to fraction form
10,165,122.06/15,243,207.03 = 4,775,304.30/x - Step 3: Cross multiply
10,165,122.06x = 15,243,207.03 × 4,775,304.30 - Step 4: Simplify right side
10,165,122.06x = 72,790,952,076,149.22 - Step 5: Solve for x
x = 72,790,952,076,149.22/10,165,122.06 - Step 6: Final answer
x = 7,160,853.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.