Finding the Fourth Proportional to 16,450,148.92, 22,701,914.88 and 9,107,981.92
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Solution
The fourth proportional to 16,450,148.92, 22,701,914.88 and 9,107,981.92 is: 12,569,407.81
Step by Step Solution
- Step 1: Write the proportion equation
16,450,148.92 : 22,701,914.88 = 9,107,981.92 : x - Step 2: Convert to fraction form
16,450,148.92/22,701,914.88 = 9,107,981.92/x - Step 3: Cross multiply
16,450,148.92x = 22,701,914.88 × 9,107,981.92 - Step 4: Simplify right side
16,450,148.92x = 206,768,630,276,418.97 - Step 5: Solve for x
x = 206,768,630,276,418.97/16,450,148.92 - Step 6: Final answer
x = 12,569,407.81
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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.