Finding the Fourth Proportional to 12,449,393.26, 17,180,128.72 and 6,942,774.08
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Solution
The fourth proportional to 12,449,393.26, 17,180,128.72 and 6,942,774.08 is: 9,581,009.28
Step by Step Solution
- Step 1: Write the proportion equation
12,449,393.26 : 17,180,128.72 = 6,942,774.08 : x - Step 2: Convert to fraction form
12,449,393.26/17,180,128.72 = 6,942,774.08/x - Step 3: Cross multiply
12,449,393.26x = 17,180,128.72 × 6,942,774.08 - Step 4: Simplify right side
12,449,393.26x = 119,277,752,368,279.58 - Step 5: Solve for x
x = 119,277,752,368,279.58/12,449,393.26 - Step 6: Final answer
x = 9,581,009.28
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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.