Finding the Fourth Proportional to 10,561,927.80, 15,842,891.70 and 2,583,751.80
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Solution
The fourth proportional to 10,561,927.80, 15,842,891.70 and 2,583,751.80 is: 3,875,627.70
Step by Step Solution
- Step 1: Write the proportion equation
10,561,927.80 : 15,842,891.70 = 2,583,751.80 : x - Step 2: Convert to fraction form
10,561,927.80/15,842,891.70 = 2,583,751.80/x - Step 3: Cross multiply
10,561,927.80x = 15,842,891.70 × 2,583,751.80 - Step 4: Simplify right side
10,561,927.80x = 40,934,099,947,080.05 - Step 5: Solve for x
x = 40,934,099,947,080.05/10,561,927.80 - Step 6: Final answer
x = 3,875,627.70
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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.