Finding the Fourth Proportional to 11,387,859.08, 15,715,245.52 and 6,231,220.62
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Solution
The fourth proportional to 11,387,859.08, 15,715,245.52 and 6,231,220.62 is: 8,599,084.45
Step by Step Solution
- Step 1: Write the proportion equation
11,387,859.08 : 15,715,245.52 = 6,231,220.62 : x - Step 2: Convert to fraction form
11,387,859.08/15,715,245.52 = 6,231,220.62/x - Step 3: Cross multiply
11,387,859.08x = 15,715,245.52 × 6,231,220.62 - Step 4: Simplify right side
11,387,859.08x = 97,925,161,932,586.62 - Step 5: Solve for x
x = 97,925,161,932,586.62/11,387,859.08 - Step 6: Final answer
x = 8,599,084.45
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1.5x scale
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.