Finding the Fourth Proportional to 19,659,796.16, 29,489,668.81 and 5,282,864.17
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Solution
The fourth proportional to 19,659,796.16, 29,489,668.81 and 5,282,864.17 is: 7,924,289.42
Step by Step Solution
- Step 1: Write the proportion equation
19,659,796.16 : 29,489,668.81 = 5,282,864.17 : x - Step 2: Convert to fraction form
19,659,796.16/29,489,668.81 = 5,282,864.17/x - Step 3: Cross multiply
19,659,796.16x = 29,489,668.81 × 5,282,864.17 - Step 4: Simplify right side
19,659,796.16x = 155,789,914,654,584.22 - Step 5: Solve for x
x = 155,789,914,654,584.22/19,659,796.16 - Step 6: Final answer
x = 7,924,289.42
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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.