Finding the Fourth Proportional to 10,807,627.34, 14,912,084.09 and 6,455,861.84
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Solution
The fourth proportional to 10,807,627.34, 14,912,084.09 and 6,455,861.84 is: 8,907,630.84
Step by Step Solution
- Step 1: Write the proportion equation
10,807,627.34 : 14,912,084.09 = 6,455,861.84 : x - Step 2: Convert to fraction form
10,807,627.34/14,912,084.09 = 6,455,861.84/x - Step 3: Cross multiply
10,807,627.34x = 14,912,084.09 × 6,455,861.84 - Step 4: Simplify right side
10,807,627.34x = 96,270,354,631,502.12 - Step 5: Solve for x
x = 96,270,354,631,502.12/10,807,627.34 - Step 6: Final answer
x = 8,907,630.84
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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.