Finding the Fourth Proportional to 18,659,736.86, 28,002,216.64 and 6,529,305.40
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Solution
The fourth proportional to 18,659,736.86, 28,002,216.64 and 6,529,305.40 is: 9,798,370.99
Step by Step Solution
- Step 1: Write the proportion equation
18,659,736.86 : 28,002,216.64 = 6,529,305.40 : x - Step 2: Convert to fraction form
18,659,736.86/28,002,216.64 = 6,529,305.40/x - Step 3: Cross multiply
18,659,736.86x = 28,002,216.64 × 6,529,305.40 - Step 4: Simplify right side
18,659,736.86x = 182,835,024,415,539.81 - Step 5: Solve for x
x = 182,835,024,415,539.81/18,659,736.86 - Step 6: Final answer
x = 9,798,370.99
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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.