Finding the Fourth Proportional to 10,561,967.80, 15,842,951.70 and 2,583,791.80
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Solution
The fourth proportional to 10,561,967.80, 15,842,951.70 and 2,583,791.80 is: 3,875,687.70
Step by Step Solution
- Step 1: Write the proportion equation
10,561,967.80 : 15,842,951.70 = 2,583,791.80 : x - Step 2: Convert to fraction form
10,561,967.80/15,842,951.70 = 2,583,791.80/x - Step 3: Cross multiply
10,561,967.80x = 15,842,951.70 × 2,583,791.80 - Step 4: Simplify right side
10,561,967.80x = 40,934,888,690,256.05 - Step 5: Solve for x
x = 40,934,888,690,256.05/10,561,967.80 - Step 6: Final answer
x = 3,875,687.70
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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.