Finding the Fourth Proportional to 8,038,146.08, 11,089,898.18 and 4,981,244.96
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Solution
The fourth proportional to 8,038,146.08, 11,089,898.18 and 4,981,244.96 is: 6,872,417.95
Step by Step Solution
- Step 1: Write the proportion equation
8,038,146.08 : 11,089,898.18 = 4,981,244.96 : x - Step 2: Convert to fraction form
8,038,146.08/11,089,898.18 = 4,981,244.96/x - Step 3: Cross multiply
8,038,146.08x = 11,089,898.18 × 4,981,244.96 - Step 4: Simplify right side
8,038,146.08x = 55,241,499,416,038.17 - Step 5: Solve for x
x = 55,241,499,416,038.17/8,038,146.08 - Step 6: Final answer
x = 6,872,417.95
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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.