Finding the Fourth Proportional to 36,309,542.68, 54,468,295.98 and 18,118,313.20
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Solution
The fourth proportional to 36,309,542.68, 54,468,295.98 and 18,118,313.20 is: 27,179,456.78
Step by Step Solution
- Step 1: Write the proportion equation
36,309,542.68 : 54,468,295.98 = 18,118,313.20 : x - Step 2: Convert to fraction form
36,309,542.68/54,468,295.98 = 18,118,313.20/x - Step 3: Cross multiply
36,309,542.68x = 54,468,295.98 × 18,118,313.20 - Step 4: Simplify right side
36,309,542.68x = 986,873,646,035,940.88 - Step 5: Solve for x
x = 986,873,646,035,940.88/36,309,542.68 - Step 6: Final answer
x = 27,179,456.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.