Finding the Fourth Proportional to 17,726,117.76, 26,593,662.40 and 4,946,620.80
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Solution
The fourth proportional to 17,726,117.76, 26,593,662.40 and 4,946,620.80 is: 7,421,182.99
Step by Step Solution
- Step 1: Write the proportion equation
17,726,117.76 : 26,593,662.40 = 4,946,620.80 : x - Step 2: Convert to fraction form
17,726,117.76/26,593,662.40 = 4,946,620.80/x - Step 3: Cross multiply
17,726,117.76x = 26,593,662.40 × 4,946,620.80 - Step 4: Simplify right side
17,726,117.76x = 131,548,763,576,017.91 - Step 5: Solve for x
x = 131,548,763,576,017.91/17,726,117.76 - Step 6: Final answer
x = 7,421,182.99
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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.