Finding the Fourth Proportional to 8,320,359.99, 12,471,266.08 and 3,459,944.54
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Solution
The fourth proportional to 8,320,359.99, 12,471,266.08 and 3,459,944.54 is: 5,186,060.34
Step by Step Solution
- Step 1: Write the proportion equation
8,320,359.99 : 12,471,266.08 = 3,459,944.54 : x - Step 2: Convert to fraction form
8,320,359.99/12,471,266.08 = 3,459,944.54/x - Step 3: Cross multiply
8,320,359.99x = 12,471,266.08 × 3,459,944.54 - Step 4: Simplify right side
8,320,359.99x = 43,149,888,980,810.87 - Step 5: Solve for x
x = 43,149,888,980,810.87/8,320,359.99 - Step 6: Final answer
x = 5,186,060.34
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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.