Finding the Fourth Proportional to 16,301,939.60, 22,496,909.40 and 8,960,451.44
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Solution
The fourth proportional to 16,301,939.60, 22,496,909.40 and 8,960,451.44 is: 12,365,550.92
Step by Step Solution
- Step 1: Write the proportion equation
16,301,939.60 : 22,496,909.40 = 8,960,451.44 : x - Step 2: Convert to fraction form
16,301,939.60/22,496,909.40 = 8,960,451.44/x - Step 3: Cross multiply
16,301,939.60x = 22,496,909.40 × 8,960,451.44 - Step 4: Simplify right side
16,301,939.60x = 201,582,464,228,779.50 - Step 5: Solve for x
x = 201,582,464,228,779.50/16,301,939.60 - Step 6: Final answer
x = 12,365,550.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.