Finding the Fourth Proportional to 16,128,687.60, 24,193,031.40 and 16,016,713.20
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Solution
The fourth proportional to 16,128,687.60, 24,193,031.40 and 16,016,713.20 is: 24,025,069.80
Step by Step Solution
- Step 1: Write the proportion equation
16,128,687.60 : 24,193,031.40 = 16,016,713.20 : x - Step 2: Convert to fraction form
16,128,687.60/24,193,031.40 = 16,016,713.20/x - Step 3: Cross multiply
16,128,687.60x = 24,193,031.40 × 16,016,713.20 - Step 4: Simplify right side
16,128,687.60x = 387,492,845,372,394.44 - Step 5: Solve for x
x = 387,492,845,372,394.44/16,128,687.60 - Step 6: Final answer
x = 24,025,069.80
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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.