Finding the Fourth Proportional to 23,206,794.36, 32,018,392.26 and 13,910,972.68
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Solution
The fourth proportional to 23,206,794.36, 32,018,392.26 and 13,910,972.68 is: 19,192,955.87
Step by Step Solution
- Step 1: Write the proportion equation
23,206,794.36 : 32,018,392.26 = 13,910,972.68 : x - Step 2: Convert to fraction form
23,206,794.36/32,018,392.26 = 13,910,972.68/x - Step 3: Cross multiply
23,206,794.36x = 32,018,392.26 × 13,910,972.68 - Step 4: Simplify right side
23,206,794.36x = 445,406,979,986,383.50 - Step 5: Solve for x
x = 445,406,979,986,383.50/23,206,794.36 - Step 6: Final answer
x = 19,192,955.87
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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.