Finding the Fourth Proportional to 10,935,010.70, 16,402,516.05 and 8,100,658.70
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Solution
The fourth proportional to 10,935,010.70, 16,402,516.05 and 8,100,658.70 is: 12,150,988.05
Step by Step Solution
- Step 1: Write the proportion equation
10,935,010.70 : 16,402,516.05 = 8,100,658.70 : x - Step 2: Convert to fraction form
10,935,010.70/16,402,516.05 = 8,100,658.70/x - Step 3: Cross multiply
10,935,010.70x = 16,402,516.05 × 8,100,658.70 - Step 4: Simplify right side
10,935,010.70x = 132,871,184,342,322.14 - Step 5: Solve for x
x = 132,871,184,342,322.14/10,935,010.70 - Step 6: Final answer
x = 12,150,988.05
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1.5x scale
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.