Finding the Fourth Proportional to 19,950,782.04, 27,513,687.42 and 14,969,320.92
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Solution
The fourth proportional to 19,950,782.04, 27,513,687.42 and 14,969,320.92 is: 20,643,863.28
Step by Step Solution
- Step 1: Write the proportion equation
19,950,782.04 : 27,513,687.42 = 14,969,320.92 : x - Step 2: Convert to fraction form
19,950,782.04/27,513,687.42 = 14,969,320.92/x - Step 3: Cross multiply
19,950,782.04x = 27,513,687.42 × 14,969,320.92 - Step 4: Simplify right side
19,950,782.04x = 411,861,216,682,546.88 - Step 5: Solve for x
x = 411,861,216,682,546.88/19,950,782.04 - Step 6: Final answer
x = 20,643,863.28
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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.