Finding the Fourth Proportional to 22,021,620.80, 32,967,112.80 and 16,366,913.60
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Solution
The fourth proportional to 22,021,620.80, 32,967,112.80 and 16,366,913.60 is: 24,501,824.45
Step by Step Solution
- Step 1: Write the proportion equation
22,021,620.80 : 32,967,112.80 = 16,366,913.60 : x - Step 2: Convert to fraction form
22,021,620.80/32,967,112.80 = 16,366,913.60/x - Step 3: Cross multiply
22,021,620.80x = 32,967,112.80 × 16,366,913.60 - Step 4: Simplify right side
22,021,620.80x = 539,569,886,839,054.06 - Step 5: Solve for x
x = 539,569,886,839,054.06/22,021,620.80 - Step 6: Final answer
x = 24,501,824.45
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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.