Finding the Fourth Proportional to 8,243,970.77, 11,376,861.99 and 4,572,767.75
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Solution
The fourth proportional to 8,243,970.77, 11,376,861.99 and 4,572,767.75 is: 6,310,520.63
Step by Step Solution
- Step 1: Write the proportion equation
8,243,970.77 : 11,376,861.99 = 4,572,767.75 : x - Step 2: Convert to fraction form
8,243,970.77/11,376,861.99 = 4,572,767.75/x - Step 3: Cross multiply
8,243,970.77x = 11,376,861.99 × 4,572,767.75 - Step 4: Simplify right side
8,243,970.77x = 52,023,747,604,072.82 - Step 5: Solve for x
x = 52,023,747,604,072.82/8,243,970.77 - Step 6: Final answer
x = 6,310,520.63
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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.