Finding the Fourth Proportional to 19,765,330.80, 29,650,208.04 and 6,299,095.92
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Solution
The fourth proportional to 19,765,330.80, 29,650,208.04 and 6,299,095.92 is: 9,449,348.78
Step by Step Solution
- Step 1: Write the proportion equation
19,765,330.80 : 29,650,208.04 = 6,299,095.92 : x - Step 2: Convert to fraction form
19,765,330.80/29,650,208.04 = 6,299,095.92/x - Step 3: Cross multiply
19,765,330.80x = 29,650,208.04 × 6,299,095.92 - Step 4: Simplify right side
19,765,330.80x = 186,769,504,491,915.19 - Step 5: Solve for x
x = 186,769,504,491,915.19/19,765,330.80 - Step 6: Final answer
x = 9,449,348.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.