Finding the Fourth Proportional to 16,228,987.28, 22,396,277.80 and 8,886,703.44
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Solution
The fourth proportional to 16,228,987.28, 22,396,277.80 and 8,886,703.44 is: 12,263,801.53
Step by Step Solution
- Step 1: Write the proportion equation
16,228,987.28 : 22,396,277.80 = 8,886,703.44 : x - Step 2: Convert to fraction form
16,228,987.28/22,396,277.80 = 8,886,703.44/x - Step 3: Cross multiply
16,228,987.28x = 22,396,277.80 × 8,886,703.44 - Step 4: Simplify right side
16,228,987.28x = 199,029,078,968,455.62 - Step 5: Solve for x
x = 199,029,078,968,455.62/16,228,987.28 - Step 6: Final answer
x = 12,263,801.53
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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.