Finding the Fourth Proportional to 8,899,337.80, 13,349,006.70 and 5,120,201.80
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Solution
The fourth proportional to 8,899,337.80, 13,349,006.70 and 5,120,201.80 is: 7,680,302.70
Step by Step Solution
- Step 1: Write the proportion equation
8,899,337.80 : 13,349,006.70 = 5,120,201.80 : x - Step 2: Convert to fraction form
8,899,337.80/13,349,006.70 = 5,120,201.80/x - Step 3: Cross multiply
8,899,337.80x = 13,349,006.70 × 5,120,201.80 - Step 4: Simplify right side
8,899,337.80x = 68,349,608,133,552.05 - Step 5: Solve for x
x = 68,349,608,133,552.05/8,899,337.80 - Step 6: Final answer
x = 7,680,302.70
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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.