Finding the Fourth Proportional to 12,312,120.84, 18,467,305.36 and 3,791,568.84
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Solution
The fourth proportional to 12,312,120.84, 18,467,305.36 and 3,791,568.84 is: 5,687,083.52
Step by Step Solution
- Step 1: Write the proportion equation
12,312,120.84 : 18,467,305.36 = 3,791,568.84 : x - Step 2: Convert to fraction form
12,312,120.84/18,467,305.36 = 3,791,568.84/x - Step 3: Cross multiply
12,312,120.84x = 18,467,305.36 × 3,791,568.84 - Step 4: Simplify right side
12,312,120.84x = 70,020,059,561,740.98 - Step 5: Solve for x
x = 70,020,059,561,740.98/12,312,120.84 - Step 6: Final answer
x = 5,687,083.52
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1.5x scale
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.