Finding the Fourth Proportional to 8,119,765.55, 11,205,276.18 and 4,448,821.19
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Solution
The fourth proportional to 8,119,765.55, 11,205,276.18 and 4,448,821.19 is: 6,139,373.08
Step by Step Solution
- Step 1: Write the proportion equation
8,119,765.55 : 11,205,276.18 = 4,448,821.19 : x - Step 2: Convert to fraction form
8,119,765.55/11,205,276.18 = 4,448,821.19/x - Step 3: Cross multiply
8,119,765.55x = 11,205,276.18 × 4,448,821.19 - Step 4: Simplify right side
8,119,765.55x = 49,850,270,036,676.79 - Step 5: Solve for x
x = 49,850,270,036,676.79/8,119,765.55 - Step 6: Final answer
x = 6,139,373.08
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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.