Finding the Fourth Proportional to 19,800,659.99, 27,323,535.69 and 10,980,566.24
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Solution
The fourth proportional to 19,800,659.99, 27,323,535.69 and 10,980,566.24 is: 15,152,418.84
Step by Step Solution
- Step 1: Write the proportion equation
19,800,659.99 : 27,323,535.69 = 10,980,566.24 : x - Step 2: Convert to fraction form
19,800,659.99/27,323,535.69 = 10,980,566.24/x - Step 3: Cross multiply
19,800,659.99x = 27,323,535.69 × 10,980,566.24 - Step 4: Simplify right side
19,800,659.99x = 300,027,893,555,049.12 - Step 5: Solve for x
x = 300,027,893,555,049.12/19,800,659.99 - Step 6: Final answer
x = 15,152,418.84
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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.