Finding the Fourth Proportional to 9,528,432.44, 13,149,208.14 and 5,177,532.02
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Solution
The fourth proportional to 9,528,432.44, 13,149,208.14 and 5,177,532.02 is: 7,144,978.63
Step by Step Solution
- Step 1: Write the proportion equation
9,528,432.44 : 13,149,208.14 = 5,177,532.02 : x - Step 2: Convert to fraction form
9,528,432.44/13,149,208.14 = 5,177,532.02/x - Step 3: Cross multiply
9,528,432.44x = 13,149,208.14 × 5,177,532.02 - Step 4: Simplify right side
9,528,432.44x = 68,080,446,182,494.64 - Step 5: Solve for x
x = 68,080,446,182,494.64/9,528,432.44 - Step 6: Final answer
x = 7,144,978.63
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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.