Finding the Fourth Proportional to 11,189,398.35, 15,441,347.07 and 6,294,623.88
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Solution
The fourth proportional to 11,189,398.35, 15,441,347.07 and 6,294,623.88 is: 8,686,568.21
Step by Step Solution
- Step 1: Write the proportion equation
11,189,398.35 : 15,441,347.07 = 6,294,623.88 : x - Step 2: Convert to fraction form
11,189,398.35/15,441,347.07 = 6,294,623.88/x - Step 3: Cross multiply
11,189,398.35x = 15,441,347.07 × 6,294,623.88 - Step 4: Simplify right side
11,189,398.35x = 97,197,472,006,190.03 - Step 5: Solve for x
x = 97,197,472,006,190.03/11,189,398.35 - Step 6: Final answer
x = 8,686,568.21
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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.