Finding the Fourth Proportional to 18,076,267.76, 27,118,991.12 and 8,367,879.92
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Solution
The fourth proportional to 18,076,267.76, 27,118,991.12 and 8,367,879.92 is: 12,553,944.44
Step by Step Solution
- Step 1: Write the proportion equation
18,076,267.76 : 27,118,991.12 = 8,367,879.92 : x - Step 2: Convert to fraction form
18,076,267.76/27,118,991.12 = 8,367,879.92/x - Step 3: Cross multiply
18,076,267.76x = 27,118,991.12 × 8,367,879.92 - Step 4: Simplify right side
18,076,267.76x = 226,928,461,066,271.94 - Step 5: Solve for x
x = 226,928,461,066,271.94/18,076,267.76 - Step 6: Final answer
x = 12,553,944.44
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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.