Finding the Fourth Proportional to 34,631,638.28, 47,792,219.92 and 18,952,025.14
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Solution
The fourth proportional to 34,631,638.28, 47,792,219.92 and 18,952,025.14 is: 26,154,100.65
Step by Step Solution
- Step 1: Write the proportion equation
34,631,638.28 : 47,792,219.92 = 18,952,025.14 : x - Step 2: Convert to fraction form
34,631,638.28/47,792,219.92 = 18,952,025.14/x - Step 3: Cross multiply
34,631,638.28x = 47,792,219.92 × 18,952,025.14 - Step 4: Simplify right side
34,631,638.28x = 905,759,353,253,388.12 - Step 5: Solve for x
x = 905,759,353,253,388.12/34,631,638.28 - Step 6: Final answer
x = 26,154,100.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.