Finding the Fourth Proportional to 11,817,309.30, 16,321,338.87 and 7,943,104.41
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Solution
The fourth proportional to 11,817,309.30, 16,321,338.87 and 7,943,104.41 is: 10,970,525.99
Step by Step Solution
- Step 1: Write the proportion equation
11,817,309.30 : 16,321,338.87 = 7,943,104.41 : x - Step 2: Convert to fraction form
11,817,309.30/16,321,338.87 = 7,943,104.41/x - Step 3: Cross multiply
11,817,309.30x = 16,321,338.87 × 7,943,104.41 - Step 4: Simplify right side
11,817,309.30x = 129,642,098,755,401.41 - Step 5: Solve for x
x = 129,642,098,755,401.41/11,817,309.30 - Step 6: Final answer
x = 10,970,525.99
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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.