Finding the Fourth Proportional to 14,446,687.68, 19,935,899.95 and 7,920,173.92
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Solution
The fourth proportional to 14,446,687.68, 19,935,899.95 and 7,920,173.92 is: 10,929,549.97
Step by Step Solution
- Step 1: Write the proportion equation
14,446,687.68 : 19,935,899.95 = 7,920,173.92 : x - Step 2: Convert to fraction form
14,446,687.68/19,935,899.95 = 7,920,173.92/x - Step 3: Cross multiply
14,446,687.68x = 19,935,899.95 × 7,920,173.92 - Step 4: Simplify right side
14,446,687.68x = 157,895,794,855,719.28 - Step 5: Solve for x
x = 157,895,794,855,719.28/14,446,687.68 - Step 6: Final answer
x = 10,929,549.97
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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.