Finding the Fourth Proportional to 22,356,072.60, 33,534,108.90 and 18,742,273.80
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Solution
The fourth proportional to 22,356,072.60, 33,534,108.90 and 18,742,273.80 is: 28,113,410.70
Step by Step Solution
- Step 1: Write the proportion equation
22,356,072.60 : 33,534,108.90 = 18,742,273.80 : x - Step 2: Convert to fraction form
22,356,072.60/33,534,108.90 = 18,742,273.80/x - Step 3: Cross multiply
22,356,072.60x = 33,534,108.90 × 18,742,273.80 - Step 4: Simplify right side
22,356,072.60x = 628,505,450,642,816.88 - Step 5: Solve for x
x = 628,505,450,642,816.88/22,356,072.60 - Step 6: Final answer
x = 28,113,410.70
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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.