Finding the Fourth Proportional to 16,193,518.40, 22,347,657.26 and 8,851,845.26
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Solution
The fourth proportional to 16,193,518.40, 22,347,657.26 and 8,851,845.26 is: 12,215,875.45
Step by Step Solution
- Step 1: Write the proportion equation
16,193,518.40 : 22,347,657.26 = 8,851,845.26 : x - Step 2: Convert to fraction form
16,193,518.40/22,347,657.26 = 8,851,845.26/x - Step 3: Cross multiply
16,193,518.40x = 22,347,657.26 × 8,851,845.26 - Step 4: Simplify right side
16,193,518.40x = 197,818,003,833,038.09 - Step 5: Solve for x
x = 197,818,003,833,038.09/16,193,518.40 - Step 6: Final answer
x = 12,215,875.45
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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.