Finding the Fourth Proportional to 12,139,751.36, 16,752,358.36 and 6,633,315.24
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Solution
The fourth proportional to 12,139,751.36, 16,752,358.36 and 6,633,315.24 is: 9,153,702.63
Step by Step Solution
- Step 1: Write the proportion equation
12,139,751.36 : 16,752,358.36 = 6,633,315.24 : x - Step 2: Convert to fraction form
12,139,751.36/16,752,358.36 = 6,633,315.24/x - Step 3: Cross multiply
12,139,751.36x = 16,752,358.36 × 6,633,315.24 - Step 4: Simplify right side
12,139,751.36x = 111,123,673,923,487.31 - Step 5: Solve for x
x = 111,123,673,923,487.31/12,139,751.36 - Step 6: Final answer
x = 9,153,702.63
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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.