Finding the Fourth Proportional to 19,546,957.80, 29,383,422.30 and 13,906,247.40
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Solution
The fourth proportional to 19,546,957.80, 29,383,422.30 and 13,906,247.40 is: 20,904,180.80
Step by Step Solution
- Step 1: Write the proportion equation
19,546,957.80 : 29,383,422.30 = 13,906,247.40 : x - Step 2: Convert to fraction form
19,546,957.80/29,383,422.30 = 13,906,247.40/x - Step 3: Cross multiply
19,546,957.80x = 29,383,422.30 × 13,906,247.40 - Step 4: Simplify right side
19,546,957.80x = 408,613,139,962,477.06 - Step 5: Solve for x
x = 408,613,139,962,477.06/19,546,957.80 - Step 6: Final answer
x = 20,904,180.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.