Finding the Fourth Proportional to 21,694,267.36, 29,930,673.54 and 12,395,165.14
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Solution
The fourth proportional to 21,694,267.36, 29,930,673.54 and 12,395,165.14 is: 17,101,091.05
Step by Step Solution
- Step 1: Write the proportion equation
21,694,267.36 : 29,930,673.54 = 12,395,165.14 : x - Step 2: Convert to fraction form
21,694,267.36/29,930,673.54 = 12,395,165.14/x - Step 3: Cross multiply
21,694,267.36x = 29,930,673.54 × 12,395,165.14 - Step 4: Simplify right side
21,694,267.36x = 370,995,641,279,728.38 - Step 5: Solve for x
x = 370,995,641,279,728.38/21,694,267.36 - Step 6: Final answer
x = 17,101,091.05
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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.