Finding the Fourth Proportional to 8,539,774.56, 11,783,725.02 and 5,101,285.68
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Solution
The fourth proportional to 8,539,774.56, 11,783,725.02 and 5,101,285.68 is: 7,039,078.99
Step by Step Solution
- Step 1: Write the proportion equation
8,539,774.56 : 11,783,725.02 = 5,101,285.68 : x - Step 2: Convert to fraction form
8,539,774.56/11,783,725.02 = 5,101,285.68/x - Step 3: Cross multiply
8,539,774.56x = 11,783,725.02 × 5,101,285.68 - Step 4: Simplify right side
8,539,774.56x = 60,112,147,701,583.71 - Step 5: Solve for x
x = 60,112,147,701,583.71/8,539,774.56 - Step 6: Final answer
x = 7,039,078.99
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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.