Finding the Fourth Proportional to 32,351,078.16, 48,550,026.33 and 12,658,118.19
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Solution
The fourth proportional to 32,351,078.16, 48,550,026.33 and 12,658,118.19 is: 18,996,336.64
Step by Step Solution
- Step 1: Write the proportion equation
32,351,078.16 : 48,550,026.33 = 12,658,118.19 : x - Step 2: Convert to fraction form
32,351,078.16/48,550,026.33 = 12,658,118.19/x - Step 3: Cross multiply
32,351,078.16x = 48,550,026.33 × 12,658,118.19 - Step 4: Simplify right side
32,351,078.16x = 614,551,971,412,751.88 - Step 5: Solve for x
x = 614,551,971,412,751.88/32,351,078.16 - Step 6: Final answer
x = 18,996,336.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.