Finding the Fourth Proportional to 8,874,379.81, 12,157,842.21 and 8,542,529.91
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Solution
The fourth proportional to 8,874,379.81, 12,157,842.21 and 8,542,529.91 is: 11,703,210.02
Step by Step Solution
- Step 1: Write the proportion equation
8,874,379.81 : 12,157,842.21 = 8,542,529.91 : x - Step 2: Convert to fraction form
8,874,379.81/12,157,842.21 = 8,542,529.91/x - Step 3: Cross multiply
8,874,379.81x = 12,157,842.21 × 8,542,529.91 - Step 4: Simplify right side
8,874,379.81x = 103,858,730,698,629.17 - Step 5: Solve for x
x = 103,858,730,698,629.17/8,874,379.81 - Step 6: Final answer
x = 11,703,210.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.