Finding the Fourth Proportional to 20,630,043.54, 30,946,124.99 and 5,277,466.19
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Solution
The fourth proportional to 20,630,043.54, 30,946,124.99 and 5,277,466.19 is: 7,916,470.36
Step by Step Solution
- Step 1: Write the proportion equation
20,630,043.54 : 30,946,124.99 = 5,277,466.19 : x - Step 2: Convert to fraction form
20,630,043.54/30,946,124.99 = 5,277,466.19/x - Step 3: Cross multiply
20,630,043.54x = 30,946,124.99 × 5,277,466.19 - Step 4: Simplify right side
20,630,043.54x = 163,317,128,165,121.12 - Step 5: Solve for x
x = 163,317,128,165,121.12/20,630,043.54 - Step 6: Final answer
x = 7,916,470.36
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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.