Finding the Fourth Proportional to 12,888,623.43, 19,330,212.26 and 3,788,245.76
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Solution
The fourth proportional to 12,888,623.43, 19,330,212.26 and 3,788,245.76 is: 5,681,568.32
Step by Step Solution
- Step 1: Write the proportion equation
12,888,623.43 : 19,330,212.26 = 3,788,245.76 : x - Step 2: Convert to fraction form
12,888,623.43/19,330,212.26 = 3,788,245.76/x - Step 3: Cross multiply
12,888,623.43x = 19,330,212.26 × 3,788,245.76 - Step 4: Simplify right side
12,888,623.43x = 73,227,594,518,252.72 - Step 5: Solve for x
x = 73,227,594,518,252.72/12,888,623.43 - Step 6: Final answer
x = 5,681,568.32
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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.