Finding the Fourth Proportional to 12,415,543.86, 18,617,886.67 and 6,263,740.68
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Solution
The fourth proportional to 12,415,543.86, 18,617,886.67 and 6,263,740.68 is: 9,392,871.99
Step by Step Solution
- Step 1: Write the proportion equation
12,415,543.86 : 18,617,886.67 = 6,263,740.68 : x - Step 2: Convert to fraction form
12,415,543.86/18,617,886.67 = 6,263,740.68/x - Step 3: Cross multiply
12,415,543.86x = 18,617,886.67 × 6,263,740.68 - Step 4: Simplify right side
12,415,543.86x = 116,617,614,110,508.73 - Step 5: Solve for x
x = 116,617,614,110,508.73/12,415,543.86 - Step 6: Final answer
x = 9,392,871.99
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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.