Finding the Fourth Proportional to 12,937,045.26, 17,852,809.62 and 7,135,702.44
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Solution
The fourth proportional to 12,937,045.26, 17,852,809.62 and 7,135,702.44 is: 9,847,096.81
Step by Step Solution
- Step 1: Write the proportion equation
12,937,045.26 : 17,852,809.62 = 7,135,702.44 : x - Step 2: Convert to fraction form
12,937,045.26/17,852,809.62 = 7,135,702.44/x - Step 3: Cross multiply
12,937,045.26x = 17,852,809.62 × 7,135,702.44 - Step 4: Simplify right side
12,937,045.26x = 127,392,337,166,289.48 - Step 5: Solve for x
x = 127,392,337,166,289.48/12,937,045.26 - Step 6: Final answer
x = 9,847,096.81
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1.5x scale
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.