Finding the Fourth Proportional to 16,358,954.40, 24,538,431.60 and 11,257,120.80
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Solution
The fourth proportional to 16,358,954.40, 24,538,431.60 and 11,257,120.80 is: 16,885,681.20
Step by Step Solution
- Step 1: Write the proportion equation
16,358,954.40 : 24,538,431.60 = 11,257,120.80 : x - Step 2: Convert to fraction form
16,358,954.40/24,538,431.60 = 11,257,120.80/x - Step 3: Cross multiply
16,358,954.40x = 24,538,431.60 × 11,257,120.80 - Step 4: Simplify right side
16,358,954.40x = 276,232,088,763,737.31 - Step 5: Solve for x
x = 276,232,088,763,737.31/16,358,954.40 - Step 6: Final answer
x = 16,885,681.20
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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.