Finding the Fourth Proportional to 9,907,790.44, 14,861,698.62 and 2,719,422.76
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Solution
The fourth proportional to 9,907,790.44, 14,861,698.62 and 2,719,422.76 is: 4,079,137.70
Step by Step Solution
- Step 1: Write the proportion equation
9,907,790.44 : 14,861,698.62 = 2,719,422.76 : x - Step 2: Convert to fraction form
9,907,790.44/14,861,698.62 = 2,719,422.76/x - Step 3: Cross multiply
9,907,790.44x = 14,861,698.62 × 2,719,422.76 - Step 4: Simplify right side
9,907,790.44x = 40,415,241,479,488.59 - Step 5: Solve for x
x = 40,415,241,479,488.59/9,907,790.44 - Step 6: Final answer
x = 4,079,137.70
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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.