Finding the Fourth Proportional to 16,173,677.63, 22,319,783.21 and 8,831,562.03
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Solution
The fourth proportional to 16,173,677.63, 22,319,783.21 and 8,831,562.03 is: 12,187,614.62
Step by Step Solution
- Step 1: Write the proportion equation
16,173,677.63 : 22,319,783.21 = 8,831,562.03 : x - Step 2: Convert to fraction form
16,173,677.63/22,319,783.21 = 8,831,562.03/x - Step 3: Cross multiply
16,173,677.63x = 22,319,783.21 × 8,831,562.03 - Step 4: Simplify right side
16,173,677.63x = 197,118,549,937,346.41 - Step 5: Solve for x
x = 197,118,549,937,346.41/16,173,677.63 - Step 6: Final answer
x = 12,187,614.62
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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.