Finding the Fourth Proportional to 10,977,637.96, 15,149,472.53 and 6,082,402.05
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Solution
The fourth proportional to 10,977,637.96, 15,149,472.53 and 6,082,402.05 is: 8,393,898.86
Step by Step Solution
- Step 1: Write the proportion equation
10,977,637.96 : 15,149,472.53 = 6,082,402.05 : x - Step 2: Convert to fraction form
10,977,637.96/15,149,472.53 = 6,082,402.05/x - Step 3: Cross multiply
10,977,637.96x = 15,149,472.53 × 6,082,402.05 - Step 4: Simplify right side
10,977,637.96x = 92,145,182,717,064.64 - Step 5: Solve for x
x = 92,145,182,717,064.64/10,977,637.96 - Step 6: Final answer
x = 8,393,898.86
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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.