Finding the Fourth Proportional to 19,965,027.99, 27,551,738.61 and 10,797,670.74
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Solution
The fourth proportional to 19,965,027.99, 27,551,738.61 and 10,797,670.74 is: 14,900,785.61
Step by Step Solution
- Step 1: Write the proportion equation
19,965,027.99 : 27,551,738.61 = 10,797,670.74 : x - Step 2: Convert to fraction form
19,965,027.99/27,551,738.61 = 10,797,670.74/x - Step 3: Cross multiply
19,965,027.99x = 27,551,738.61 × 10,797,670.74 - Step 4: Simplify right side
19,965,027.99x = 297,494,601,825,325.25 - Step 5: Solve for x
x = 297,494,601,825,325.25/19,965,027.99 - Step 6: Final answer
x = 14,900,785.61
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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.