Finding the Fourth Proportional to 17,382,675.80, 26,073,884.10 and 5,252,115.80
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Solution
The fourth proportional to 17,382,675.80, 26,073,884.10 and 5,252,115.80 is: 7,878,134.54
Step by Step Solution
- Step 1: Write the proportion equation
17,382,675.80 : 26,073,884.10 = 5,252,115.80 : x - Step 2: Convert to fraction form
17,382,675.80/26,073,884.10 = 5,252,115.80/x - Step 3: Cross multiply
17,382,675.80x = 26,073,884.10 × 5,252,115.80 - Step 4: Simplify right side
17,382,675.80x = 136,943,058,648,978.78 - Step 5: Solve for x
x = 136,943,058,648,978.78/17,382,675.80 - Step 6: Final answer
x = 7,878,134.54
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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.