Finding the Fourth Proportional to 8,148,858.15, 11,244,765.99 and 4,711,320.75
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Solution
The fourth proportional to 8,148,858.15, 11,244,765.99 and 4,711,320.75 is: 6,501,242.06
Step by Step Solution
- Step 1: Write the proportion equation
8,148,858.15 : 11,244,765.99 = 4,711,320.75 : x - Step 2: Convert to fraction form
8,148,858.15/11,244,765.99 = 4,711,320.75/x - Step 3: Cross multiply
8,148,858.15x = 11,244,765.99 × 4,711,320.75 - Step 4: Simplify right side
8,148,858.15x = 52,977,699,337,581.30 - Step 5: Solve for x
x = 52,977,699,337,581.30/8,148,858.15 - Step 6: Final answer
x = 6,501,242.06
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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.