Finding the Fourth Proportional to 8,074,414.86, 11,142,379.62 and 4,590,210.12
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Solution
The fourth proportional to 8,074,414.86, 11,142,379.62 and 4,590,210.12 is: 6,334,312.09
Step by Step Solution
- Step 1: Write the proportion equation
8,074,414.86 : 11,142,379.62 = 4,590,210.12 : x - Step 2: Convert to fraction form
8,074,414.86/11,142,379.62 = 4,590,210.12/x - Step 3: Cross multiply
8,074,414.86x = 11,142,379.62 × 4,590,210.12 - Step 4: Simplify right side
8,074,414.86x = 51,145,863,692,605.75 - Step 5: Solve for x
x = 51,145,863,692,605.75/8,074,414.86 - Step 6: Final answer
x = 6,334,312.09
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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.