Finding the Fourth Proportional to 20,415,313.92, 30,628,949.60 and 6,038,765.06
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Solution
The fourth proportional to 20,415,313.92, 30,628,949.60 and 6,038,765.06 is: 9,059,916.07
Step by Step Solution
- Step 1: Write the proportion equation
20,415,313.92 : 30,628,949.60 = 6,038,765.06 : x - Step 2: Convert to fraction form
20,415,313.92/30,628,949.60 = 6,038,765.06/x - Step 3: Cross multiply
20,415,313.92x = 30,628,949.60 × 6,038,765.06 - Step 4: Simplify right side
20,415,313.92x = 184,961,030,715,359.53 - Step 5: Solve for x
x = 184,961,030,715,359.53/20,415,313.92 - Step 6: Final answer
x = 9,059,916.07
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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.