Finding the Fourth Proportional to 16,380,963.80, 24,571,445.70 and 10,992,195.80
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Solution
The fourth proportional to 16,380,963.80, 24,571,445.70 and 10,992,195.80 is: 16,488,293.70
Step by Step Solution
- Step 1: Write the proportion equation
16,380,963.80 : 24,571,445.70 = 10,992,195.80 : x - Step 2: Convert to fraction form
16,380,963.80/24,571,445.70 = 10,992,195.80/x - Step 3: Cross multiply
16,380,963.80x = 24,571,445.70 × 10,992,195.80 - Step 4: Simplify right side
16,380,963.80x = 270,094,142,223,468.06 - Step 5: Solve for x
x = 270,094,142,223,468.06/16,380,963.80 - Step 6: Final answer
x = 16,488,293.70
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1.5x scale
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.