Finding the Fourth Proportional to 12,070,125.28, 16,656,265.80 and 6,843,485.02
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Solution
The fourth proportional to 12,070,125.28, 16,656,265.80 and 6,843,485.02 is: 9,443,721.82
Step by Step Solution
- Step 1: Write the proportion equation
12,070,125.28 : 16,656,265.80 = 6,843,485.02 : x - Step 2: Convert to fraction form
12,070,125.28/16,656,265.80 = 6,843,485.02/x - Step 3: Cross multiply
12,070,125.28x = 16,656,265.80 × 6,843,485.02 - Step 4: Simplify right side
12,070,125.28x = 113,986,905,491,438.31 - Step 5: Solve for x
x = 113,986,905,491,438.31/12,070,125.28 - Step 6: Final answer
x = 9,443,721.82
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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.