Finding the Fourth Proportional to 16,179,246.60, 24,268,869.90 and 7,676,190.60
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Solution
The fourth proportional to 16,179,246.60, 24,268,869.90 and 7,676,190.60 is: 11,514,285.90
Step by Step Solution
- Step 1: Write the proportion equation
16,179,246.60 : 24,268,869.90 = 7,676,190.60 : x - Step 2: Convert to fraction form
16,179,246.60/24,268,869.90 = 7,676,190.60/x - Step 3: Cross multiply
16,179,246.60x = 24,268,869.90 × 7,676,190.60 - Step 4: Simplify right side
16,179,246.60x = 186,292,470,999,002.91 - Step 5: Solve for x
x = 186,292,470,999,002.91/16,179,246.60 - Step 6: Final answer
x = 11,514,285.90
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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.