Finding the Fourth Proportional to 20,294,628, 30,437,283.64 and 12,099,589.08
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Solution
The fourth proportional to 20,294,628, 30,437,283.64 and 12,099,589.08 is: 18,146,606.32
Step by Step Solution
- Step 1: Write the proportion equation
20,294,628 : 30,437,283.64 = 12,099,589.08 : x - Step 2: Convert to fraction form
20,294,628/30,437,283.64 = 12,099,589.08/x - Step 3: Cross multiply
20,294,628x = 30,437,283.64 × 12,099,589.08 - Step 4: Simplify right side
20,294,628x = 368,278,624,755,406.69 - Step 5: Solve for x
x = 368,278,624,755,406.69/20,294,628 - Step 6: Final answer
x = 18,146,606.32
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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.