Finding the Fourth Proportional to 12,146,702.16, 16,762,452.66 and 6,640,101.12
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Solution
The fourth proportional to 12,146,702.16, 16,762,452.66 and 6,640,101.12 is: 9,163,341.56
Step by Step Solution
- Step 1: Write the proportion equation
12,146,702.16 : 16,762,452.66 = 6,640,101.12 : x - Step 2: Convert to fraction form
12,146,702.16/16,762,452.66 = 6,640,101.12/x - Step 3: Cross multiply
12,146,702.16x = 16,762,452.66 × 6,640,101.12 - Step 4: Simplify right side
12,146,702.16x = 111,304,380,681,612.98 - Step 5: Solve for x
x = 111,304,380,681,612.98/12,146,702.16 - Step 6: Final answer
x = 9,163,341.56
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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.