Finding the Fourth Proportional to 5,069,043.09, 7,554,795.81 and 4,988,331.87
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Solution
The fourth proportional to 5,069,043.09, 7,554,795.81 and 4,988,331.87 is: 7,434,505.50
Step by Step Solution
- Step 1: Write the proportion equation
5,069,043.09 : 7,554,795.81 = 4,988,331.87 : x - Step 2: Convert to fraction form
5,069,043.09/7,554,795.81 = 4,988,331.87/x - Step 3: Cross multiply
5,069,043.09x = 7,554,795.81 × 4,988,331.87 - Step 4: Simplify right side
5,069,043.09x = 37,685,828,710,365.46 - Step 5: Solve for x
x = 37,685,828,710,365.46/5,069,043.09 - Step 6: Final answer
x = 7,434,505.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.