Finding the Fourth Proportional to 12,415,542.86, 18,617,885.18 and 6,263,739.68
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Solution
The fourth proportional to 12,415,542.86, 18,617,885.18 and 6,263,739.68 is: 9,392,870.48
Step by Step Solution
- Step 1: Write the proportion equation
12,415,542.86 : 18,617,885.18 = 6,263,739.68 : x - Step 2: Convert to fraction form
12,415,542.86/18,617,885.18 = 6,263,739.68/x - Step 3: Cross multiply
12,415,542.86x = 18,617,885.18 × 6,263,739.68 - Step 4: Simplify right side
12,415,542.86x = 116,617,586,035,241.81 - Step 5: Solve for x
x = 116,617,586,035,241.81/12,415,542.86 - Step 6: Final answer
x = 9,392,870.48
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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.