Finding the Fourth Proportional to 21,727,540.70, 29,976,590.54 and 13,464,588.08
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Solution
The fourth proportional to 21,727,540.70, 29,976,590.54 and 13,464,588.08 is: 18,576,536.07
Step by Step Solution
- Step 1: Write the proportion equation
21,727,540.70 : 29,976,590.54 = 13,464,588.08 : x - Step 2: Convert to fraction form
21,727,540.70/29,976,590.54 = 13,464,588.08/x - Step 3: Cross multiply
21,727,540.70x = 29,976,590.54 × 13,464,588.08 - Step 4: Simplify right side
21,727,540.70x = 403,622,443,446,718.88 - Step 5: Solve for x
x = 403,622,443,446,718.88/21,727,540.70 - Step 6: Final answer
x = 18,576,536.07
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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.