Finding the Fourth Proportional to 11,939,136.12, 16,476,591.92 and 6,713,788.73
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Solution
The fourth proportional to 11,939,136.12, 16,476,591.92 and 6,713,788.73 is: 9,265,356.88
Step by Step Solution
- Step 1: Write the proportion equation
11,939,136.12 : 16,476,591.92 = 6,713,788.73 : x - Step 2: Convert to fraction form
11,939,136.12/16,476,591.92 = 6,713,788.73/x - Step 3: Cross multiply
11,939,136.12x = 16,476,591.92 × 6,713,788.73 - Step 4: Simplify right side
11,939,136.12x = 110,620,357,025,353.14 - Step 5: Solve for x
x = 110,620,357,025,353.14/11,939,136.12 - Step 6: Final answer
x = 9,265,356.88
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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.