Finding the Fourth Proportional to 12,040,860.98, 16,616,398.88 and 6,534,235.87
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Solution
The fourth proportional to 12,040,860.98, 16,616,398.88 and 6,534,235.87 is: 9,017,251.32
Step by Step Solution
- Step 1: Write the proportion equation
12,040,860.98 : 16,616,398.88 = 6,534,235.87 : x - Step 2: Convert to fraction form
12,040,860.98/16,616,398.88 = 6,534,235.87/x - Step 3: Cross multiply
12,040,860.98x = 16,616,398.88 × 6,534,235.87 - Step 4: Simplify right side
12,040,860.98x = 108,575,469,566,718.42 - Step 5: Solve for x
x = 108,575,469,566,718.42/12,040,860.98 - Step 6: Final answer
x = 9,017,251.32
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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.