Finding the Fourth Proportional to 10,048,761.35, 15,079,861.16 and 4,292,840.13
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Solution
The fourth proportional to 10,048,761.35, 15,079,861.16 and 4,292,840.13 is: 6,442,130.61
Step by Step Solution
- Step 1: Write the proportion equation
10,048,761.35 : 15,079,861.16 = 4,292,840.13 : x - Step 2: Convert to fraction form
10,048,761.35/15,079,861.16 = 4,292,840.13/x - Step 3: Cross multiply
10,048,761.35x = 15,079,861.16 × 4,292,840.13 - Step 4: Simplify right side
10,048,761.35x = 64,735,433,080,560.81 - Step 5: Solve for x
x = 64,735,433,080,560.81/10,048,761.35 - Step 6: Final answer
x = 6,442,130.61
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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.