Finding the Fourth Proportional to 17,691,575.54, 24,421,907.28 and 11,893,720
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Solution
The fourth proportional to 17,691,575.54, 24,421,907.28 and 11,893,720 is: 16,418,397.92
Step by Step Solution
- Step 1: Write the proportion equation
17,691,575.54 : 24,421,907.28 = 11,893,720 : x - Step 2: Convert to fraction form
17,691,575.54/24,421,907.28 = 11,893,720/x - Step 3: Cross multiply
17,691,575.54x = 24,421,907.28 × 11,893,720 - Step 4: Simplify right side
17,691,575.54x = 290,467,327,054,281.62 - Step 5: Solve for x
x = 290,467,327,054,281.62/17,691,575.54 - Step 6: Final answer
x = 16,418,397.92
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1.5x scale
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.