Finding the Fourth Proportional to 8,020,434.18, 11,068,202.16 and 4,349,349.78
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Solution
The fourth proportional to 8,020,434.18, 11,068,202.16 and 4,349,349.78 is: 6,002,104.32
Step by Step Solution
- Step 1: Write the proportion equation
8,020,434.18 : 11,068,202.16 = 4,349,349.78 : x - Step 2: Convert to fraction form
8,020,434.18/11,068,202.16 = 4,349,349.78/x - Step 3: Cross multiply
8,020,434.18x = 11,068,202.16 × 4,349,349.78 - Step 4: Simplify right side
8,020,434.18x = 48,139,482,629,591.53 - Step 5: Solve for x
x = 48,139,482,629,591.53/8,020,434.18 - Step 6: Final answer
x = 6,002,104.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.