Finding the Fourth Proportional to 16,129,785.60, 24,194,678.40 and 16,017,811.20
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Solution
The fourth proportional to 16,129,785.60, 24,194,678.40 and 16,017,811.20 is: 24,026,716.80
Step by Step Solution
- Step 1: Write the proportion equation
16,129,785.60 : 24,194,678.40 = 16,017,811.20 : x - Step 2: Convert to fraction form
16,129,785.60/24,194,678.40 = 16,017,811.20/x - Step 3: Cross multiply
16,129,785.60x = 24,194,678.40 × 16,017,811.20 - Step 4: Simplify right side
16,129,785.60x = 387,545,790,655,918.06 - Step 5: Solve for x
x = 387,545,790,655,918.06/16,129,785.60 - Step 6: Final answer
x = 24,026,716.80
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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.