Finding the Fourth Proportional to 8,476,577.78, 12,713,668.97 and 2,718,563.09
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Solution
The fourth proportional to 8,476,577.78, 12,713,668.97 and 2,718,563.09 is: 4,077,460.52
Step by Step Solution
- Step 1: Write the proportion equation
8,476,577.78 : 12,713,668.97 = 2,718,563.09 : x - Step 2: Convert to fraction form
8,476,577.78/12,713,668.97 = 2,718,563.09/x - Step 3: Cross multiply
8,476,577.78x = 12,713,668.97 × 2,718,563.09 - Step 4: Simplify right side
8,476,577.78x = 34,562,911,218,511.67 - Step 5: Solve for x
x = 34,562,911,218,511.67/8,476,577.78 - Step 6: Final answer
x = 4,077,460.52
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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.