Finding the Fourth Proportional to 12,173,297.44, 16,799,656.80 and 6,740,789.44
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Solution
The fourth proportional to 12,173,297.44, 16,799,656.80 and 6,740,789.44 is: 9,302,569.80
Step by Step Solution
- Step 1: Write the proportion equation
12,173,297.44 : 16,799,656.80 = 6,740,789.44 : x - Step 2: Convert to fraction form
12,173,297.44/16,799,656.80 = 6,740,789.44/x - Step 3: Cross multiply
12,173,297.44x = 16,799,656.80 × 6,740,789.44 - Step 4: Simplify right side
12,173,297.44x = 113,242,949,153,064.20 - Step 5: Solve for x
x = 113,242,949,153,064.20/12,173,297.44 - Step 6: Final answer
x = 9,302,569.80
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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.