Finding the Fourth Proportional to 10,306,820.70, 15,460,231.05 and 2,734,551.90
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Solution
The fourth proportional to 10,306,820.70, 15,460,231.05 and 2,734,551.90 is: 4,101,827.85
Step by Step Solution
- Step 1: Write the proportion equation
10,306,820.70 : 15,460,231.05 = 2,734,551.90 : x - Step 2: Convert to fraction form
10,306,820.70/15,460,231.05 = 2,734,551.90/x - Step 3: Cross multiply
10,306,820.70x = 15,460,231.05 × 2,734,551.90 - Step 4: Simplify right side
10,306,820.70x = 42,276,804,192,216.49 - Step 5: Solve for x
x = 42,276,804,192,216.49/10,306,820.70 - Step 6: Final answer
x = 4,101,827.85
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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.