Finding the Fourth Proportional to 17,382,899.80, 26,074,220.10 and 5,252,339.80
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Solution
The fourth proportional to 17,382,899.80, 26,074,220.10 and 5,252,339.80 is: 7,878,470.54
Step by Step Solution
- Step 1: Write the proportion equation
17,382,899.80 : 26,074,220.10 = 5,252,339.80 : x - Step 2: Convert to fraction form
17,382,899.80/26,074,220.10 = 5,252,339.80/x - Step 3: Cross multiply
17,382,899.80x = 26,074,220.10 × 5,252,339.80 - Step 4: Simplify right side
17,382,899.80x = 136,950,663,985,189.98 - Step 5: Solve for x
x = 136,950,663,985,189.98/17,382,899.80 - Step 6: Final answer
x = 7,878,470.54
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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.