Finding the Fourth Proportional to 11,582,688.68, 15,983,928.42 and 6,355,739.24
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Solution
The fourth proportional to 11,582,688.68, 15,983,928.42 and 6,355,739.24 is: 8,770,820.31
Step by Step Solution
- Step 1: Write the proportion equation
11,582,688.68 : 15,983,928.42 = 6,355,739.24 : x - Step 2: Convert to fraction form
11,582,688.68/15,983,928.42 = 6,355,739.24/x - Step 3: Cross multiply
11,582,688.68x = 15,983,928.42 × 6,355,739.24 - Step 4: Simplify right side
11,582,688.68x = 101,589,681,068,345.20 - Step 5: Solve for x
x = 101,589,681,068,345.20/11,582,688.68 - Step 6: Final answer
x = 8,770,820.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.