Finding the Fourth Proportional to 19,614,812.76, 27,067,760.16 and 10,793,438.88
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Solution
The fourth proportional to 19,614,812.76, 27,067,760.16 and 10,793,438.88 is: 14,894,570.67
Step by Step Solution
- Step 1: Write the proportion equation
19,614,812.76 : 27,067,760.16 = 10,793,438.88 : x - Step 2: Convert to fraction form
19,614,812.76/27,067,760.16 = 10,793,438.88/x - Step 3: Cross multiply
19,614,812.76x = 27,067,760.16 × 10,793,438.88 - Step 4: Simplify right side
19,614,812.76x = 292,154,214,905,459.06 - Step 5: Solve for x
x = 292,154,214,905,459.06/19,614,812.76 - Step 6: Final answer
x = 14,894,570.67
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1.5x scale
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.