Finding the Fourth Proportional to 64,324,821.60, 96,477,901.20 and 18,881,877.60
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Solution
The fourth proportional to 64,324,821.60, 96,477,901.20 and 18,881,877.60 is: 28,320,077.32
Step by Step Solution
- Step 1: Write the proportion equation
64,324,821.60 : 96,477,901.20 = 18,881,877.60 : x - Step 2: Convert to fraction form
64,324,821.60/96,477,901.20 = 18,881,877.60/x - Step 3: Cross multiply
64,324,821.60x = 96,477,901.20 × 18,881,877.60 - Step 4: Simplify right side
64,324,821.60x = 1,821,683,921,563,293.25 - Step 5: Solve for x
x = 1,821,683,921,563,293.25/64,324,821.60 - Step 6: Final answer
x = 28,320,077.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.