Finding the Fourth Proportional to 14,805,643.68, 20,433,390.48 and 8,694,951.84
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Solution
The fourth proportional to 14,805,643.68, 20,433,390.48 and 8,694,951.84 is: 11,999,974.47
Step by Step Solution
- Step 1: Write the proportion equation
14,805,643.68 : 20,433,390.48 = 8,694,951.84 : x - Step 2: Convert to fraction form
14,805,643.68/20,433,390.48 = 8,694,951.84/x - Step 3: Cross multiply
14,805,643.68x = 20,433,390.48 × 8,694,951.84 - Step 4: Simplify right side
14,805,643.68x = 177,667,346,151,514.47 - Step 5: Solve for x
x = 177,667,346,151,514.47/14,805,643.68 - Step 6: Final answer
x = 11,999,974.47
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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.