Finding the Fourth Proportional to 18,441,687.30, 27,670,404.15 and 8,852,129.70
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Solution
The fourth proportional to 18,441,687.30, 27,670,404.15 and 8,852,129.70 is: 13,281,973.74
Step by Step Solution
- Step 1: Write the proportion equation
18,441,687.30 : 27,670,404.15 = 8,852,129.70 : x - Step 2: Convert to fraction form
18,441,687.30/27,670,404.15 = 8,852,129.70/x - Step 3: Cross multiply
18,441,687.30x = 27,670,404.15 × 8,852,129.70 - Step 4: Simplify right side
18,441,687.30x = 244,942,006,387,218.22 - Step 5: Solve for x
x = 244,942,006,387,218.22/18,441,687.30 - Step 6: Final answer
x = 13,281,973.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.