Finding the Fourth Proportional to 18,605,843.36, 27,908,765.28 and 5,827,348.16
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Solution
The fourth proportional to 18,605,843.36, 27,908,765.28 and 5,827,348.16 is: 8,741,022.32
Step by Step Solution
- Step 1: Write the proportion equation
18,605,843.36 : 27,908,765.28 = 5,827,348.16 : x - Step 2: Convert to fraction form
18,605,843.36/27,908,765.28 = 5,827,348.16/x - Step 3: Cross multiply
18,605,843.36x = 27,908,765.28 × 5,827,348.16 - Step 4: Simplify right side
18,605,843.36x = 162,634,092,002,279.91 - Step 5: Solve for x
x = 162,634,092,002,279.91/18,605,843.36 - Step 6: Final answer
x = 8,741,022.32
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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.