Finding the Fourth Proportional to 8,149,370.18, 11,243,678.42 and 4,884,993.84
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Solution
The fourth proportional to 8,149,370.18, 11,243,678.42 and 4,884,993.84 is: 6,739,821.43
Step by Step Solution
- Step 1: Write the proportion equation
8,149,370.18 : 11,243,678.42 = 4,884,993.84 : x - Step 2: Convert to fraction form
8,149,370.18/11,243,678.42 = 4,884,993.84/x - Step 3: Cross multiply
8,149,370.18x = 11,243,678.42 × 4,884,993.84 - Step 4: Simplify right side
8,149,370.18x = 54,925,299,829,657.76 - Step 5: Solve for x
x = 54,925,299,829,657.76/8,149,370.18 - Step 6: Final answer
x = 6,739,821.43
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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.