Finding the Fourth Proportional to 18,842,625.20, 28,263,937.80 and 6,880,026.80
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Solution
The fourth proportional to 18,842,625.20, 28,263,937.80 and 6,880,026.80 is: 10,320,040.20
Step by Step Solution
- Step 1: Write the proportion equation
18,842,625.20 : 28,263,937.80 = 6,880,026.80 : x - Step 2: Convert to fraction form
18,842,625.20/28,263,937.80 = 6,880,026.80/x - Step 3: Cross multiply
18,842,625.20x = 28,263,937.80 × 6,880,026.80 - Step 4: Simplify right side
18,842,625.20x = 194,456,649,537,533.03 - Step 5: Solve for x
x = 194,456,649,537,533.03/18,842,625.20 - Step 6: Final answer
x = 10,320,040.20
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1.5x scale
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.