Finding the Fourth Proportional to 16,923,816.47, 25,395,809.51 and 6,141,957.74
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Solution
The fourth proportional to 16,923,816.47, 25,395,809.51 and 6,141,957.74 is: 9,216,596.56
Step by Step Solution
- Step 1: Write the proportion equation
16,923,816.47 : 25,395,809.51 = 6,141,957.74 : x - Step 2: Convert to fraction form
16,923,816.47/25,395,809.51 = 6,141,957.74/x - Step 3: Cross multiply
16,923,816.47x = 25,395,809.51 × 6,141,957.74 - Step 4: Simplify right side
16,923,816.47x = 155,979,988,767,120.22 - Step 5: Solve for x
x = 155,979,988,767,120.22/16,923,816.47 - Step 6: Final answer
x = 9,216,596.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.