Finding the Fourth Proportional to 18,065,023.40, 27,076,539.90 and 7,276,989.80
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Solution
The fourth proportional to 18,065,023.40, 27,076,539.90 and 7,276,989.80 is: 10,907,027.37
Step by Step Solution
- Step 1: Write the proportion equation
18,065,023.40 : 27,076,539.90 = 7,276,989.80 : x - Step 2: Convert to fraction form
18,065,023.40/27,076,539.90 = 7,276,989.80/x - Step 3: Cross multiply
18,065,023.40x = 27,076,539.90 × 7,276,989.80 - Step 4: Simplify right side
18,065,023.40x = 197,035,704,671,593 - Step 5: Solve for x
x = 197,035,704,671,593/18,065,023.40 - Step 6: Final answer
x = 10,907,027.37
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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.