Finding the Fourth Proportional to 16,173,675.36, 22,319,780.09 and 8,831,559.74
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Solution
The fourth proportional to 16,173,675.36, 22,319,780.09 and 8,831,559.74 is: 12,187,611.46
Step by Step Solution
- Step 1: Write the proportion equation
16,173,675.36 : 22,319,780.09 = 8,831,559.74 : x - Step 2: Convert to fraction form
16,173,675.36/22,319,780.09 = 8,831,559.74/x - Step 3: Cross multiply
16,173,675.36x = 22,319,780.09 × 8,831,559.74 - Step 4: Simplify right side
16,173,675.36x = 197,118,471,092,740.88 - Step 5: Solve for x
x = 197,118,471,092,740.88/16,173,675.36 - Step 6: Final answer
x = 12,187,611.46
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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.