Finding the Fourth Proportional to 8,448,901.98, 12,668,291.82 and 2,689,147.68
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Solution
The fourth proportional to 8,448,901.98, 12,668,291.82 and 2,689,147.68 is: 4,032,110.64
Step by Step Solution
- Step 1: Write the proportion equation
8,448,901.98 : 12,668,291.82 = 2,689,147.68 : x - Step 2: Convert to fraction form
8,448,901.98/12,668,291.82 = 2,689,147.68/x - Step 3: Cross multiply
8,448,901.98x = 12,668,291.82 × 2,689,147.68 - Step 4: Simplify right side
8,448,901.98x = 34,066,907,557,315.98 - Step 5: Solve for x
x = 34,066,907,557,315.98/8,448,901.98 - Step 6: Final answer
x = 4,032,110.64
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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.